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sapamja/ip_sub.py

Created September 2, 2014 07:01
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  1. sapamja created this gist Sep 2, 2014.
    16 changes: 16 additions & 0 deletions ip_sub.py
    View file
    Original file line number Diff line number Diff line change
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    import socket, struct

    def ip_to_decimal(ip):
    return struct.unpack("!L", socket.inet_aton(ip))[0]

    def decimal_to_ip(decimal):
    return socket.inet_ntoa(struct.pack("!L", decimal))

    cidr = '192.168.0.1/24'
    network, netmask = cidr.split('/')
    decimal = ip_to_decimal(network)

    last_valid = 1 << 32 - int(netmask)

    for i in range(last_valid - 1):
    print decimal_to_ip(decimal + i)