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TUCoPS :: Phreaking General Information :: newskool.txt

New Skool Hand Scanning

New Skool Hand Scanning.
written by blackout 02.03.02
#PhreakNY @

a.) Setting Up
b.) The Scan
c.) Skipping Useless Numbers
d.) Example
e.) Pros/Cons
f.) Contact Info

Handscanning can be either a grueling, daunting task.. or it can be simple and productive.
In this short file I will attempt to show you some methods that I use to scan for useful

a.) Setting Up.
Usually I just open up a notepad on my computer and type out all of the numbers i want to
scan. This gives me a visual on what I need to scan and what needs to be scanned, as well
as a reference so I don't dial everything sequentially. Dialing sequentially can be picked
up by bell equipment. This is what my file typically will look like:

9901 - 
9902 - 
9903 - 
9904 - 

b.) The scan. 
As I said, I try not to dial sequentially too much. An easy way I've found of doing this is
to pick a block of about 5-10 numbers and dial them end to end. This makes no sense in
sentance form, so look below to see what I meant.

9901 - 1st number dialed
9902 - 3rd number dialed
9903 - 5th number dialed
9904 - 4th number dialed
9905 - 2nd number dialed

I've scanned quite a few numbers from my home telephone this way and have never had a
complaint from my RBOC.

c.) Skipping useless numbers.
This is the major timesaver. The trick is to dial 'around' the unused blocks of telephone
numbers without missing any important ones. Lets say your scanning 555-0000 to 555-9999. The first couple of numbers you scan are busy, a few are answering machines. Then when you get to 555-0134 you hear 'Not in service'. You continue dialing and notice alot of numbers are not in service. After scanning over 15 numbers that are not in service, its time to think about skipping to the end of this 'not in service' block. You can do this by skipping ahead 20 numbers. Keep this up until you hear something different, like a ringing. So lets say you skipped from 555-0134 all the way to 555-0925. 555-0928 is ringing number. Now you would dial a few numbers backwards (0924, 0922, etc) until you reached 555-0923 which is again Not in service. It's then safe to assume that 555-0134 to 555-0923 are all Not in service, and you just saved yourself dialing 785 numbers. Let me put this in an example in case your not
following me.

0131 - Busy
0132 - Modem Carrier
0133 - Ring Through
0134 - Not in service
0135 - Not in service
0136 - Not in service
0137 - Not in service
0138 - Not in service
 -------------> At this point, we can skip ahead to 0148 and see if it's Not in service too.
                Turns out 0148 is Not In service

So now we dial:
0148 - Not in service 
0168 - Not in service 
0188 - Not in service 
0208 - Not in service 
0248 - Not in service 
0288 - Not in service 
0328 - Not in service 
0368 - Not in service 
0388 - Not in service 
0428 - Not in service 
 -------------->0428 and up... until we hit 0928. 0928 is a Ringing number. Now we start                    dialing backwards.

0928 - Ring
0927 - Busy
0926 - Voice Mail
0925 - Voice Mail
0924 - Ring
0923 - Not in service
0922 - Not in service

From here, it's safe to assume that all numbers from 0134 to 0923 are Not In Service, and
therefore you can skip scanning them and save yourself a frigging load of time. I've been
able to scan over 2,000 numbers in 1 hour of time using this method.

e.) Pros/Cons
With everything there are pros and cons. Obviously a BIG pro would be saving alot of time
skipping over useless numbers. A con might be that the telco was planning on you doing
this, so they purposely hid that DATU you've been looking for smack in the middle of the
not in service block. It's your call, use it or don't. ;)

f.) Contact Info
this file is not meant for hardcore phreaks, it's meant for people
without alot of scanning experience. if you have questions or comments,
email me at 

Phreak NY can be reached at:
#PhreakNY @

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