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toringe / cidr.py
Created October 22, 2015 10:28
Merge CIDR blocks into super blocks if possible
#!/usr/bin/env python
#
# Example 1: All blocks in list.txt, one CIDR per line
# cat list.txt | cidr.py
#
# Example 2: Echo CIDR blocks to stdout
# echo 1.2.3.0/25 1.2.3.128/25 | cidr.py
import sys
from netaddr import *