[RESOLVED] multiple range checking algorithm vb6

[Spooman]

Hello,

Working on a new project that needs to identify ony USA based IP addesses.

I have a list of USA based IP's which I will convert to ranges of Longs.. example (3.0.0.0 - 3.255.255.255 = 218103808 - 22229811)

So I will place this list into memory somehow.

Would like suggestions on how best to find when in ip is in range from a list of about 7000 ranges?

thanks

I'm not quite clear as to how this translates into this, which BTW, equals 195,873,997.

Be that as it may, would it help to deal with the 4 "parts" individually?
ie ..
3 to 3
0 to 255
0 to 255
0 to 255

EDIT-1:

For example .. "to be checked" IP is 004.011.212.003

Your list of 7,000 has:

003.001.001.002 .. 1st in list
:
003.101.201.004
:
003.255.000.255 .. last in list

You'd know at "pass 1" that there is no 004 as the 1st "part", so, you're done
Please correct me if I've missed the (ahem) point.

Spoo