gistfile1.txt

> % python silly_ip.py
There are 1 items in the 74 bucket.
(74, 125, 232, 201) 1
(74, 125, 232, 211) 1
(74, 125, 232, 206) 1
There are 1 items in the 79 bucket.
(79, 115, 74, 141) 1

silly_ip.py

#!/usr/bin/env python
# -*- coding: utf8 -*-
import sys

dummy_data = [
    '74.125.232.201',
    '74.125.232.206',
    '74.125.232.211',
    '79.115.74.141'
]


def main(argv):
    root = {}

    for raw_ip in dummy_data:
        ip = [int(i) for i in raw_ip.split('.')]
        tmp = root.setdefault(ip[0], {})
        tmp = tmp.setdefault(ip[1], {})
        tmp = tmp.setdefault(ip[2], {})
        tmp[ip[3]] = tmp.get(ip[3], 0) + 1

    # Found how many there are on each level.
    for ip1, v1 in root.items():
        print('There are %d items in the %d bucket.' % (len(v1), ip1))
        for ip2, v2 in v1.items():
            for ip3, v3 in v2.items():
                for ip4, count in v3.items():
                    print (ip1, ip2, ip3, ip4), count

    return 0


if __name__ == '__main__':
    sys.exit(main(sys.argv))