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2600 Magazine - Volume 1, Number 5
2600
May, 1984
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VOLUME ONE, NUMBER FIVE
The Simple Pleasures of a Step Office
There are still more than a few step offices in the United States today.
Most of them are in rural areas* hut there are stilt a few cities (mostly ih
the south, southwest* and west areas of the ceuntiy} chat have step.
These antiquated telephone systems can best be described as a bunch of
relays and. wires— clicking and stumbling over themselves.
I t’s easy to find out if you Ve in a step office — especially if you’re using
a rotary dial phone. (In many step areas* thafo all you cun have,
particularly on the east coast since they don't have what's known as
cnuimon control, which allows for louch tones*. Souk offices have
been converted, however* using some sort of tone to pulse converter —
every time you hit a tone, you hear it being pulsed cut.) With a rotary
dial phone, you can hear the actual switching. If* say* you're dialing675-
9 ! [ 2 you'd dial a 6 and you'd hear what's known as the selector kick, in
(more on that later) with a kind of a clunk. Then you'd dial 7, and hear a
second thing kick in with a mild click— that’s w hat's known as the digit
absorbing relay. Depending on the office, this relay can kick in on any
or none of the numbers* What it does basically is absorb an extra digit
which is only needed to make the telephone number 7 digits long* So, in
this, cuse, the second digit of the number* which is 7* is the extra digit.
You would probably be able to substitute any number for the 7 and still
have the call go through, since that digit is ignored. Some offices absorb
two of their digits, which means that they had five digit phone numbers
before uniformity struck. To continue with our demonstration, you’d
next dial a 5, and hear another click at the end of your dialing sequence.
Alter dialing 4, you’d hear click, pop, snap — several things kicking in,
then the 1, clunk-clink* and then the lost two digits which wouldn't
produce any sounds at the end’ of them* Then it will go into a ring cycle,
assuming chat's a valid number in the office,
S-tep offices usually have a very mechanical sounding ring, similar to
crossbar. Ring generators, though* cao make step sound like ESS.
Often you hear what sounds like a busy signal or static in the
back ground as the number rings. An easy way to tell if you're dialing
into a step office is to try dialing XXX-I I L I and see how Long it takes to
get a ring or reorder or whatever. Then try calling X XX-0000. If it lakes
more time to get to the same point, it’s a step office because step ii the
only system that actually pulse* out the numbers all over again*
A Phreaktr** Delight
It’s much safer to blue box and phreak from a step office because
they're very basic, crude offices with no safety features (safety for them,
t hat is). And if yu u're lucky enough to live in a fairly large metropolitan
area that's still on step, you might dial up a number that you know is
hSS from your step area and flash the switchhook- You'll get what'*
known as a wink. Thafs the equivalent or whistling 260C hertz for about
a half second to reset the trunk, you'll hear a dick-click. That's your
cue tn put in various muliifrequency tones (KP+mimber+ST). 2600
hertz is not needed at all, and since that's the tone that usually sets oil
alarms, this is a very safe way to blue box, ( Incidentally, this occurs
more through a flaw with ESS and not step.)
If you really know what you're doing and you know a few things
about step switching, you can, on a touch tone* phone, dial up a
number and listen in the background for the switch level. Let’s say
you’re dialing 941 -0226. You won’t hear it rotary dial those numbers*
but' you witt hear another number or series of numbers in rotary seep
pulses. Thar’s the selector we mentioned earlier. Let’s say lhat after you
dialed 94 r -0226, you heard a 5 being pulsed oul. W hit dots that mean?
The selector is the decision-making part of the phone toll. Different
prefixes are stored in different krais in each central office. In this
particular case, 441 happens to be stored in level 5 in whatever office
you're calling from. There’s no rhyme or reason to it; the selector level
could be anything up to three digits in length. (Jf it wu three digits,
you'd, hear each individual digit get pulsed out.) The toll center is
usually level 1 and -the operator is usually level 0. So what can be done
with this information? If, after dialing 441-0226, you enter your owzt
rotary live* you'll once again hear the click-click which is your
cue for M F tones.
W bile' step offices have no special phone phreak trapping capabilities.
they are just as dangerous as any ot her office as far as being traced They
have what's known ai trap and trace- 1 f a certain person { or computer) is
being harassed, they’ll put a trap plug on that particular line. If you
happen to call into that number, you won’t be able to hang up until
the tkhti jJA" y does.
Same More Tricks
. In some step areas, local calls are limited to certain exchanges that
have the same first digit as yours. For example, the 222 exchange can
dial 235 and 263 u local calls- But in ordeno call the637 Exchange, you
must first dial a 1 which makes the call non-local, IF you dial ah* you’ll
gci an immediate reorder. But somewhere between you and the 637
exchange, is the 231 * 233, 235, and 239 exchanges, Thcre'i no 237, So
you dial 2, Clunk-clunk. You dial 3. Click. And then you dial 7. Ching-
elunk, It gras to the 637 exchange! Similarly, a 23 1 from the 287
exchange could wind up in 471. Why? Because these numbers are all
coming from the same switchi ng center. That just happens to be the way
step works (and in some cases crossbar). If you could stilt the 222
trunk, you'd enter KF+25500+STto reach 222-5500. To reach 637-5500,
you'd enter KF+755CO+ST.
Then there's "step crashing"— if the number you're calling is
675^2888* and it's busy* you can dial 675-2887, and In between the last
pulse of your rotary dial and t he time it would start to ring, you can flash
your switchhook extremely fast. If you time it right, you'll hear an
enormous loud click on your end. Then, all of a sudden* you ll cut into
your party's conversation. (This work* because of step's relay system.
One relay has determined that the line you dialed isopen. Then, before a
second relay sends along the ring pulse* you throw in a I, which jumps
the number you dialed up by one* and fools the system into connecting
you to a busy number.) There is one drawback to this, though- You, the
party you've crashed in on, and the party they were talking to are all
stuck together until you all hang up at the same lime.
If yqu'TG in a step office where 41 1 is used for directory assistance,
chances are that there are test codes in the format of 1 1 XX- 1141 might
be ringback, etc. In such places* dialing 1 141 will also get you directory
auivtanjee,. but at no charge! In some of the newer seep offices. 410X is
the format for tests. There, you can did! 4101 (or free directory
assistance. Other tesl numbere are (usually); 4 tOO— off-the-hock
recording, 4102— test board* 4103 --miscellaneous, 4104— rmghack.
4105 — disconnects your line for about 5 minutes* 4106 — various tests*
4107 — pulse test *4108— test board, and 4 1 09— yuur telephone number
in touch tones*.
Different Varieties of Step
There's more than one ki™J of step office. We've been talking about
the most common type, used by both GTE and Western Electric ( Bell).
It was invented by Automatic Electric early in the century 214-381 is a
typical Bell step office (note the reorder in the background of the ring)
while 214-246 is a typical GTE step office (the ring sounds like it's
underwater). For both of these, a suffix of 1798 will always provide a
busy signal, free of charge.
There i& 4 ku something known as XY step, which is strange, no usual,
und for the most part put together very poorly- It looks similar to a
crossbar in appearance. Instead of a round switch, it's tall and
rectangular-shaped, To dial a number, it moves up and across a ladder
nf contacts* as if it was apiece of graph paper* hence the name X Y . On
these systems* the last digit in the phone number is usually up for grabs
You can accept collect calls on a number with a different laU digit from
yours* The calls will still reach your number, but it won't show up on
your bill. Also, suffixes beginning with 9 and 2 are usually interchange-
able A typical XY step office is 5 18-784. A suffix of 3299 will get you a
standard step test.
Great Britain the Stroger system and there is Also the all-relay
step, which is very rare* It was developed presumably to save switches.
One such system exists in Heath Canyon, Texas with only 36
subscribers it 915-376- A neighboring town that’s also all-relay
can be found at 915-386.
1/ you'd like x*i to reft you something about a particular exchange
anywhere, send us the info. We'll investigate and print the results.
1
IBM'S A l/DIO DISTRIBUTION SYSTEMS SURE CAN BE FUN!
One day several years ago, a hacker was doing some
routine 800 number scanning on his touch-tone® telephone.
This has become a very popular pastime because it’s totally
free and not easily defined as illegal in itself. Usually „ what
somebody does is zero in on a particular BOO exchange and
dial many different numbers (often in sequential order),
jotting down the interesting ones. That’s exactly what this
person was doing when he made a most interesting
discovery. After hearing literally dozens of modem tones,
and "Doo-Dooo-DQOOOi The number you have reached,"
“Eastern Airlines, can 1 help you?" and “Special operator,
what number did you dial?" messages, he heard a recorded
female voice say, “Please keypress your last name." After a
millisecond or two, he looked at the letters on his touch-
tone® buttons (never get a phone without those letters), and
started to spell out a name. Another recorded voice read
back someone’s full name and then the old voice came back
and said, “Please keypress your password." He suddenly got
an idea and spelled out the person's first name. It worked!
He had broken in — to something.
What this person found that day (and what many others
have been discovering ever since) was an IBM Audio
Distribution System or ADS. Nearly every IBM regional
office has at least one of them. Operating out of an IBM
Series l computer interfaced with a telephone switchboard, .
their original purpose was to provide a fast, easy way for
iBMer's to contact each other without playing “telephone
tag." All a subscriber has to do is call the system, login, and
leave or receive aural messages. Commands are entered
using touchstone® keys (*R — record a message, *T — trans-
mit a message, *L— listen to a message, *C — customize
certain features, *D— disconnect are the. main commands
By pressing a 9 or a #, brief help messages can also be
heard.). No computer terminals were needed here. Nearly
anybody could figure out how to use the system.
Fortunately for hackers, IBM people were both careless
and apathetic. Many of them had very easy passwords and
others never used the system at all, even though they had
been assigned accounts.
So guess what happened? Friendly tech enthusiasts found
their way into these systems and grabbed accounts left and
right. Many of them set up impromptu networks where they
would exchange technical information, phieaking news,
stories, anything! (Sort of like a computer bulletin board,
except that your voice is your keyboard- This proved very
beneficial to those phone p breaks that hadn't integrated
themselves into the world of computers— here was a
computer that could be played with without the requirement
of a terminal and modem, as well as the means to
communicate with computer hackers for the first time.)
Messages could be as long as eight minutes or as short as
three seconds. Users could, by entering commands, adjust
volume and speed, classify their messages (personal,
confidential, personal and confidential, or internal use
only), create distribution lists, change their status, etc. In
short, the ADS has become a favorite toy of phreaker
and hacker alike.
There are hundreds of ADS's all around the world, with
more being plugged in every day. IBM is selling the systems
to other companies, who then use them for their own
employees, or lease accounts out to other people. IBM tells
us that the price for a system with a 1000 user capacity is
about $1 10,000. Financing terms arc available, they say.
It is quite reasonable to assume that every ADS that is
presently operational has at least a few usurped accounts on
it. Even systems in Italy and England are being mercilessly
invaded by American crackers. What's particularly funny
about all this is that IBM has no way of knowing whether the
users o f t he system a re legit imale or n ot, since the s oft ware is
written to prevent eavesdropping, even from the system
operator's account. U is also impossible to find out what
somebody's password is, without being in that person's
account. As one IBM executive told us, "As long as they
don't do anything outrageous [like send abusive messages to
other users] and the legitimate user doesn't tell us that
his/her account is being used by someone else, we'll never
know they're in there,”
Needless to say, some high-level administrative meetings
dealt with this problem. For IBM, things were starting to get
out of controL One group of phreakers had so many
different systems under control that they started to color
code them. Rumour has it that they ran out of colors and
were forced to buy a jumbo box of Crayola Crayons® to find
out the names of more. On the East Coast, a system was so
heavily inundated with unauthorized users that it was
commonly believed that there were more of them than
legitimate users. And, somewhere in Italy, Midwest accents
slowly started to abound on that country's sole system.
IBM began to make some drastic changes. To prevent
intrusions from occurring In the first place, many of the
systems were programmed to delete an account if it wasn't
used within a certain period of time or if the password had
not been changed from the system default (the first letter of
the last name repeated three times). In an attempt to get rid
of those that had already broken in, they started to look at
their 800 number user logs, to sec which accounts were
constantly being Logged into on the toll-free line instead of
the local number or the IBM internal tie-line number. A
company employee wouldn’t have to use the KDO number
unless he was on the road. But, they reasoned, a phone
phreak would.
On this, of course, they were completely wrong. A phone
phreak can make a call to anywhere he damn well pleases
without spending a cent. A few even managed to access the
IBM tie-line! Good phreuks, to avoid suspicion stopped
using the toll-free numbers.
IBM reset passwords on suspect accounts and then went
in to see what other names were linked by "reading"
distribution lists and seeing what other names were
being communicated with. The intruders answered this by
deleting their distribution lists and erasing all old messages.
This battle of wills is continuous. One system operator in
Los Angeles attached a recording that told anyone who
failed to login after three tries that their call had beentraced.
She later admitted to 2&f)0 that this was simply a scare tactic
used out of desperation.
Ironically enough, some of the worst offenders — as far as
leaving doors wide open — are the system operators
themselves, A few operators have left their privileged
accounts' passwords set to the default (three zeroes). This
allowed an intruder to come in and use the special "star-
zero" command, which allows system messages to he
changed. (These are the messages that tell the subscriber
what to do next, etc.) “Please keypress your last name,"
could easily become "What the hell do you want?" There are
hundreds of messages and oftentimes pranksters would
change only the most rarely heard ones, to add to the
surprise of the user who wound up hearing it; “Your message
has reached the maximum length” was reportedly replaced
by “You have spoken for too Long and you may not speak
again," Any user’s password can he reset to the default from
the operator account, so entry to all accounts is indirectly
possible after cracking the operator account. Brand new
accounts, though, , are created Offline.
If you like keeping in touch, an ADS may be just what
you're looking for. With this system, your phriends are
always reachable, no matter where they are.
Unless they've left the magical land of touch-tones®.
A 414 is Sentenced — Others Indicted
CiimbuiHl Ntwi
Twemy-odc year old Gerald Wondra of West Allis,
Wisconsin, was placed on two yean* probation after
pleading guilty to two misdemeanor counts involving
computer cracking. Wondra, a member of the 414's, was
accused of gaining access last summer to computers at the
Security Pacific National Bank in Los Angeles and the
Memorial Sloan-Kettering Cancer Center in New York, by
using Telenet. 1
U.S, District Judge Terence T. Evans, in handing down
the sentence, said, "It’s important to send a message to Mr,
Wondra and all others that this is a serious offense, . . with
serious consequences.” In other words, someone might go to
jail the next time.
That next time may be coming soon. Four indictments
were handed down on May 7th against people who allegedly
were hacking the Telemail system last year. The four are
located in California, Iowa, Illinois, and New York. Each is
being charged with up to ten counts of wire fraud. Reliable
sources say this is the fust time that the wire fraud charge has
been used to prosecute computer hackers.
Long Distance Option Timetable
LÂŁA fiidiy
On July 15, Charleston, West Virginia will become the
first city in the United States to offer equal access to
alternate long distance companies. Equal access is part of
the court-ordered breakup of the Bell system —most parts of
the country should have it within three years.
What the people in Charleston will do is decide on a long
distance company they want to use. Every Long distance call
they make will then be billed through that company. If the
company they picked isn’t AT&T, they can still use AT&T
by notifying an operator first.
The main advantage here for the other companies is that
they will no longer be getting inferior lines and that
customers with rotary dial phones will be able to use their
system without installing extra equipment.
Some cities and when they’ll be doing this: Minneapolis,
August 19; Mobile, Alabama, August 27; Indianapolis,
August 30; Houston and Chicago, August 31; Milwaukee,
New York City, Philadelphia, Baltimore, Washington, and
Detroit, September I.
Inteipost an Astronomical Failure
Jick Akderion
Inteipost was announced in I97g by the U.S, Postal
Service as an experiment to test delivery of electronic
messages overseas by satellite. It was supposed to give
businesses and individuals a quick, cheap way to send letters
abroad from five major dlies: New York, Washington,
Chicago, Houston, and San Francisco.
The service is quick enough. But it is far from cheap. At a
cost to the sender of J5 a page, customer reaction was
predictable — to everyone but the Postal Service, that is.
A report issued by investigators for a House Government
Operations su Committee says, *Tq date, Inteipost has been
a complete failure. Through the end of 1983, cumulative
Inteipost revenues were 158,080, No zeroes have been
omitted from this figure. , , A service that generated so little
revenue must be considered a failure by any measure of
performance,"
Since 1978, development, testing, and operation of
Inteipost have cost S6.2 million. This means the system has
taken in less than one percent of its cost.
The House investigators were particularly exasperated at
the Postal Service’s lack of the most elementary records. It
couldn’t even tell them the number of messages that had
been sent by Inteipost, The investigators wrote, "The
committee is mystified that the Postage rvice has not
routinely c mailed and made use of this basic management
information."
The bottom line: the committee urges the board of
governors to "terminate Inteipost as soon as practicable,”
Victory for Wiretap Victims
The Anwaatcd Pkh
A S J .75 million settlement has tentatively been reached in
a police wiretapping case involving more than LQQO
plaintiffs and the city of New Haven, Connecticut [see
“Wiretap City” in 2606, March, 1984]. The settlement still
needs the approval of two city boards and a Federal judge,
"This is a complete, 100 percent victory," said John
Williams, the coordinating counsel for the J d 233 plaintiffs.
He said the settlement provides each plaintiff with at least
51,000 and as much as $6,000.
Bank Records Aren't So Private
Thu Nn 1 Vwi Eira*
How much information should a bank divulge over the
telephone about a customer's accounts? That question came
up recently when a Manhattan real estate broker called a
major hank's customer service number and, in less than two
minutes, was told exactly how much a client had on deposit
at a branch on the Upper West Side.
"That's information of the most confidential nature," said
Gary Walker of the New York City Department of
Consumer Affairs. “It shouldn’t be given out without your
permission, and probably not over the phone at all,"
The bank the broker called. Citibank says it does not
routinely release detailed information about accounts by
telephone and says it makes disclosures to outsiders only
with the customer’s written consent. In this particular case,
Citibank said the customer service representative might
have believed that the broker had the client’s permission to
obtain the balances.
But two weeks later, the same customer telephoned the
bank and quickly obtained the balance in his checking
account. The service representative asked when and where
the customer had made his last deposit, saying the
information was needed “for security reasons, 11 As a test, the
customer said he had deposited a check in the cash machine
at Penn Station — Citibank has no machine there — and
deliberately overstated the size of his last deposit. Despite
the erroneous information, the bank's representative
promptly told the customer how much money he had.
Norma Rollins, a lawyer with the New York Civil
Liberties Union, said that one of her group’s priorities for
1984 was a state law prohibiting unauthorized disclosures
by banks. She said, "Banks can tell a pretty good story of
your life — where you've been, what you’ve been spending. If
you go to the corner Liquor store every week to cash a check
for spending money, think about what someone could say
about your life style if they think you're spending SI 50 a
week on booze,"
3
THE WOES OF HA VING A SMALL-TIME RURAL PHONE COMPANY
This story is for those of you who hate Me Bell with a
passion, in many parts of the country* Beil is not the
company that provides you with telephone service. There
ore iots of tiny telephone companies out there and some of
them make Bell (and her children) look pretty terrific. The
following is from one of our readers who has to put up with a
rurai telephone company.
L had a problem with my telephone company. J picked up
my line, and there was a dial tone there. I began to make a
long distance Call. After the tenth digit went through, 1
heard: “do weee doo.,. We’re sorry, your call cannot be
completed as dialed. Please check the number before dialing
again or cal! your business office for assistance,"
So I switched to my good phone which makes clean crisp
tones and dialed the same number again, J got the same
message again! I said, “What the bell?!” (It was an BOO
number, of course.) So 1 switched over and dialed a regular
"I plus* number — 1 started dialing the number direct the
same recording came on!
So l dialed my local business office which is the repair
service. It was a local seven digit number. Again, all 1 got
was: "do weee do o,,." Then L dialed up the operator and
waited a second or two and the recording came back on.
I had an idea. "I know what they've done; they've made a
mistake in the central office and changed my touch tone
rating to rotary r Doing that would ^certainly produce the
effect ] was getting. If you tried to break the dialtone, you
couldn't call anything because it's not programmed in. They
must have made an error somewhere, I picked up my rotary
dial phone and I dialed the local repair service again- Put it
did the exact same thing on the rotary phone!
So [ tried calling a local number (local to my exchange)
and got the recording. / dialect my own number ?" Your call
cannot be completed as dialpd." 1 tried 41 1 — same thing. I
dialed bit, the old centralized repair service that had been
phased out in my area but which rings in a distant city served
by the same telephone company. An operator said, “Can I
have the number you're speaking from?" and J told her;
"Thank you," ring, ring, ring, click, "This is telephone repair
service. Can I have the number you're reporting, please?" I
gave her the number, "Oh sir. I'm sorry, that number is no
longer served by our repair service. You'll have to cal! your
local repair service number," which was the one I couldn't
get through to- I said, “Operator* I tried calling that and I
got a recording saying the number I called cannot be
completed as dialed. 1 " And she said^Well* I'm £orry, you’ll
just have to call and report it to your office.” I said, "I
cannot! Can you pass this information along to my repair
service? There's something wrong with the phone line it
Only dials you." “I'm sorry. I'm not allowed to do that, L
can't do that."
So I hung up and called 61 1 again and the first operator
popped on the line again, and 1 said, “Operator, I'm not
going to give you the number I'm calling from— J'm having a
very difficult time, L called repair service, they Wert nasty
and hateful and wouldn't respond to getting my phone
fined.” 1 cold her I had to call my local repair service, but was
physically unable to. I asked if she could call it for me.
"Certainly, I'll be glad to, What's your phone number and
I II call you back." I gave her the phone number, waited
about 40 seconds and called her back. I asked, "What
happened?" She said, "I got a recording when calling your
number saying that my call couldn't be completed as
dialed?' "OK, that's the problem, anybody trying to call my
number gets that recording— anything I try localise* me
thai recording." "Well, let me try to ring repair again,"
We ring repair service and get the same lady again. "Sir, I
Told you you're going to have to cal l your own repair service.
Don't bother me with this anymore! I've told yon weeannot
help you here." 1 said, “Don't you have a phone there?"
“Yeah," “Can't you pick it up and call my local repair service
number? It's a seven digit listed number, can you not call it?"
"No, 1 cannot! ft's not my duty; it’s not my job. You should
be able to do this yourself, You're going to have to go down
to the repair service or use a [semi-Jconvement pay phone,"
which is 10 miles away. Hell, the repair center is closer!
[ got in the car, red-faced with hysteria, and I drove in and
called repair service from inside the telephone building, I
went into a door marked “Employees only!" [just picked up
the phone; no one was there. A person picked up and said,
“Can 1 have the number yon are reporting, please?” I yelled,
“NO!" "What arc you calling me fori?" “f want to talk to
'somebody in ptrro.; about my problem. Tve got a terrible
problem and it cannot be handled over the phone. Please
come down the hallway- -I'm somewhere in your building."
She came in and J explained to her the rude treatment 1
got from centralized repair service “I'm terribly sorry that
happened... OK, you're going to have to come into the
business office, J ust go down the hall. Talk to one of our we| i
trained service representatives, and they will help you.”
"Why can’t you help me — you're the repair servicer “Just
take this form and hand it to the lady at the desk."
I went to one of the service reps and went over the whole
story again. While 1 was telling her this, 1 noticed a 75-year*
old senior citizen right next to me talking to his rep. He had a
very similar problem. He was getting nowhere. And I said to
him, “You might as well take your telephone and throw it in
the river, because you're not gonna get any service out of
these people! They are the sorrit&L human beings that ever
drew a breath. They don't give a damn about you. They
certainly don't give a damn about me!”(f'm now yelling at
the lop of my lungs, by the way.) I said, "These peopledon't
give a shit about anything except collecting their paychecks.
You might as well just leave!”
All of the people in the telephone company were looking
at me: all the customer all the business reps. And 1 told
them, any time J report anything there, 1 get treated like
some sort of an asshole. For instance, two weeks earlier I
had reported that pay phones in this particular prefix
wouldn't dial BOO numbers. If you dialed an #00 number,
you got a request to put in a 25c deposit. When I reported
that, they said, “Y es, you must pay for your BOO number, like
it was a local call." (You wo n’t get your money back from the
phone — they are Northern Telecom phones that don't have
a return coin slot, so it can't give you your coin back,) I had
told them, “II is a toil-free 800 number, hence the word 'toll-
free 1 . You do not have to put in a quarter," All of the
representatives said. "No, you've got to put in a quarter. You
must pay for a toll-free S00 number.’’
Weil, to make a long story short, the young lady was so
upset that I was yelling and screaming at everyone in there,
that she took my record, dashed out of the room, came back
and suid,“L’m terribly sorry to have inconvenienced you. I'm
sorry that you’re upset — I notice you're red in the face. Y our
phone wilt be turned back on before you get home. It w&s
just an error. Someone didn’t pay their bill and it was one
digit away from your number and it was ail a mistake."
The next day, I spoke to the vice president of the phone
company and told him about my problem and the B0U
incident, as well as a whole collection of other things that
shocked and upset him. He said he was very grateful to me,
and would consider hiring me as a consultant.
Since that episode, things have gotten better. 300 numbers
arc now toll-free from payphones and the repair service is a
little bit better. But there a re still plenty of problems almost
every lime you dial.
You might say that it lakes a phone phreak to straighten
out a phone company. You might also say that Bell never
looked so good.
2600
The following is a list of networks currently available on the
Defense Data Network * including the base address of each. This is
complete, and up-to-date listing.
SATNET
4*0. 0,0
yfg-net-temp
6. 0*0*0
EDN-TEMP
7*0, 0,0
BBM-NET-TEMP
0.0, 0*0
ARPANET
10*0,0.0
D0DIIS
11,0*0.0
ATT
12*0*0.0
PDN
14*0,0*0
MIT
18*0.0.0
DDN-TC-NET
23*0*0.0
MINET
24,0*0*0
RSRE-EXP
25*0.0,0
MILNET
26.0,0,0
NOSC-LGCN-TIMP
27.0.0*0
WIDEBAND
28.0,0,0
UCL-TAC-NFT
32.0*0*0
SU-NET— TEUP
36.0,0,0
SRI -LOCAL
39.0.0*0
BBN-TEST-A
41.0.0,0
AMPRNET
44.0.0.0
C3-PR
45.0.0.0
BERKELEY
46*0.0.0
SAC- PR- TEM?
47.0*0.0
BBN-TEST-B
128.1.0*0
Q-SJ-NET
128.2,0,0
LBL-CSAM
128.3.0*0
DCNET
128.4,0*0
FORDNET
128*5.0.0
RUTGERS
128,6,0*0
DEVLR
128*7.0.0
UMDNET
128.8,0*0
ISI-NET
128.9,0*0
pumxJE-cs
128.10*0*0
BBN-CRONUS
128*11*0.0
SU-NET
128.12,0,0
MATNET
128*13.0*0
BBN-SAT-TEST
128.14.0,0
S1NET
128.15.0*0
UCLNET
128.16.0*0
MATNET -ALT
128*17.0.0
SRINET
128.18,0*0
edn'
128*19.0*0
BHLNET
128.20,0*0
SF-PR-1
128.21*0*0
SF-PR-2
128,22.0*0
BBN-PR
128*23.0*0
ROCKWELL— PR
128.24.0.0
BRAGG-PR
128.25*0*0
SAC-PR
128.26.0.0
DEMO-PR-1
128.27*0*0
C3-PR-TEMP
128.28*0,0
MITRE
128,29.0.0
MIT-NET
128.30,0*0
MIT-RES
128,31.0.0
UCB-ETHEF
128,32.0.0
BBN-NET
128,33.0.0
NOSC-EjOCN
128,34.0.0
CISLTESTNET1
128,35.0*0
YALE-NET
128,36,0*0
YPG-NET
128.37.0.0
NSWC-NET
128,38*0,0
NTANET
128*39,0.0
DCL-NET-A
128,40,0,0
UCL-NET-B
128,41,0.0
RICE-NET
128,4210.0
CRANE7T
126.43,0*0
WSMR-NET
128.44.0.0
DQDIIS— SI
128,45.0*0
DODIIS-S2
128,46,0.0
TACTOET
128.47.0*0
NGSC-ETHER
128,49*0,0
BBM-TEST-C
192,0.1.0
BBN-FIBRENET
192,1,2.0
BBN-JERIGHO-NET
192.1.3.0
BBN-FIBER-TEST
192.1.4.0
BBN-HJET
192.1*7*0
BBN-STEAMER
192.1.128*0
CISLHYPEENET
192.5*1*0
wise
192,5,2*0
HP-DESIGN-AIDS
192,5,3.0
HP-TOG-UNIX
192*5,4*0
DEC-MRNET
192,5,5.0
DEC-MRRAD
192.5,6,0
CIT-CS— NET
192*5,7,0
WASHINGTON
192.5,8*0
AERONET
192*5,9*0
ECLNET
192.5,10,0
CSS-RING
192.5,11*0
UTAH-NET
192*5.12,0
CCNET
192*5,13*0
RAND-NET
192.5.14,0
NYU-NET
192.5*15*0
lanlland
192.5.16,0
NRL-NET
192.5.17*0
IPTO-NET
192.5.18*0
UCIlCS
192.5.19.0
CISLTTYNET
192.5.20.0
BRLNET1
192,5.21.0
BRLNET2
192.5.22*0
BRLNET3
192.5.23.0
page 5
5
BPLNET4
192.5.24.0
BFLNET5
NSHDOOA-NET
192.5*26.0
DTOSRDC-NET
FSHE-NULL
192,5-20.0
â– RSRE-AOC
FSHE-Pft
192.5*30.0
CISLTESTNET2
C1SLTESTNET3
192.5.33.0
CISLTESHJET4
RIACS-NET
192.5.35.0
CORNtLL-CS
UR-CS-WET
192*5,37.0
SRI-C3LTHEK
DDEL-EECIS
192.5.39,0
PO0C-NET-A
WISLAH
192.5.41.0
AFD$C- HYPER
CUCSNET
192.5.43,0
FARBER-PC-NET
AIDS-NET
192.5.45.0
NTA-RING
NSFDC
192,5.47.0
POBDUB-CS-IL
OCSF
192.5.49.0
CTH-CS-NET
THEORYNET
192,5*51.0
NLH-ETHER
UR-CS-ETHEft
192.5.53,0
AERO-A6
UGLA-C0CS
192.5.55,0
□DEL— CC
CSNET-PDN
192,5.53.0
AMES-NAS-NET
NPRDC-ETHER
192,5.65.0
HAHV-NET
CBCOM- ETHER
192,5.67.0
AERO-130
UIUC-NET
192*5.69.0
SCROETHERNET
ui
:iy
BAUD RATE
â– y
OftK
::o
jT
300
JÂŁ
i -i
1200
._!â–
S> p.-:-a
iSEZPH^A
i-0
.300
W
1200
1 n -
::e
300
1200
C!- I C A ^ J
â– x",
B H L - r '
â– 300
1 ZOO
CJtiCJ
tttMATI
■* ' ,”s
1- rr
300
: 200
.W.95H:
;:siETG^ SC
l iS
300
: 200
S" u
3LiS
1 1 0
200
1200
AT LAX "T'
â– 10
300
1200
-:GL ; S
-Cv
110
200
1200
SAM
-RA'vCISCC
110
300
:.200
: r-C
T ■Ll—
^N’lELES
lie
300
1200
192.5.25.0
192.5.27.0
192.5.29.0
192.5- 32.0
192-5.34.0
192.5.36-0
192.5.38.0
192.5.40.0
192.5.42-0
192.5.44.0
192.5.46-0
192.5- 43.0
192-5-50.0
192.5.52-0
192.5.54-0
192.5.57.0
192.5.64.0
192*5.66-0
192.5.63.0
192.10.41.0
CONNECT DUMBER
211- 508-7313
2 - 2— EOS— 7332
212- 808-7480
215-302-4378
215-582-4485'
215-50Z-“377
312- 352-4350
313- 952-4417
313-952-4353
3i2-253-23i4
312-253-3723
312-250-23^7
5 â– 3-241-246B
513-241-2818
513-241-250.
202-S36-7S04
Z02-638-7575
202-G38-765S
31 *-24 1-5* 40
3 14-241 “550 1
31^-241-6141
404—958-3697
40^-855-3583
40^-550-3506
7: â– : 2-237-0-35 â–
713-237-0431
7_3-237— 1254
4;s-gea-S3io
4 5-888-6283
4. 5-gs8-E300
2 ..3-624-321 3
213-524-3227
2 1 3 -624-- 4248
6