FYI, the "B" spec for unpack is "binary" as in a string of ASCII "1"s and "0"s. Take for example "192.168.10.1". Your code outputs: 

001100010011100100110010
001100010011011000111000
0011000100110000
00110001

[download]
which isn't of much use for doing bit-wise stuff on IP addresses. It is the ASCII values of the characters from the strings "192", "168", "10", and "1" printed in binary notation.

        - tye (but my friends call me "Tye")

In reply to (tye)Re: Boolean logic with IP addresses by tye
in thread Boolean logic with IP addresses by RatArsed

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