gistfile1.txt

import sys
from cymru import CymruIPtoASNService

a = CymruIPtoASNService()

queries = []

with open(sys.argv[1]) as fd:
        i = 0
        for l in fd:
                ip = l.lstrip().rstrip()
                queries.append(ip)
                i += 1
                if i > 100:
                        for r in a.query(queries):
                                print r.as_number, r.country, r.as_name, r.bgp_prefix, r.ip_address
                        i = 0
                        queries = []
                        a = CymruIPtoASNService()

        for r in a.query(queries):
                print r.as_number, r.country, r.as_name, r.bgp_prefix, r.ip_address