sorting on IP addresses

Ben Gertzfield che at debian.org
Mon Feb 5 23:25:06 CET 2001


>>>>> "Sam" == Sam Wun <swun at esec.com.au> writes:

    Sam> Hi, Does anyone know what is the quickly way to sort a list
    Sam> of IP addresses?

    Sam> ie. 203.21.254.89 should be larger than 203.21.254.9

If you're using Python 1.6 or greater, the socket module includes
inet_aton and inet_ntoa functions, used for converting IP addresses
from 123.45.67.89 format to the 4-byte "packed IP" representation.

You can then just use a normal sort on the packed IPs.

Ben

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