Internode to Cisco ACL

node-to-acl

#!/usr/bin/env python
# usage:
#
# wget https://customer-webtools-api.internode.on.net/unmetered_ip_address_list.txt
# ./node-to-acl < unmetered_ip_address_list.txt

import sys
import ipaddr

try:
	line_num = int(sys.argv[1])
except IndexError:
	line_num = None

for l in sys.stdin:
	l = l[:-1] # remove trailing newline

	if l == '':
		continue

	if l.split(' ')[0] == 'Current':
		continue

	ip = ipaddr.IPv4Network(l)

	if isinstance(line_num, int):
		print str(line_num) + ' ',
		line_num += 1
	print 'permit ip any',

	if ip.prefixlen < 32:
		print str(ip.ip) + ' ' + str(ip.hostmask)
	else:
		print 'host ' + str(ip.ip)