List AWS’ IPs


#!/usr/bin/python
from datetime import datetime
import requests
import json
import argparse
parser = argparse.ArgumentParser(description="AWS IP Range Display")
parser.add_argument('-verbose', '-v', action='count', help='Verbose')
parser.add_argument('--region', '-r', help="Region to print",
                    default='ap-southeast-2')
parser.add_argument('--service', '-s', help="Service to print", default='ec2')
parser.add_argument('--listservices', default=False, action='store_true')
parser.add_argument('--listregions', default=False, action='store_true')
args = parser.parse_args()
resp = requests.get("https://ip-ranges.amazonaws.com/ip-ranges.json")
if resp.status_code != 200:
    print("Failed to get JSON from {}: {}".format(url, resp.status_code))
    sys.exit(1)
d = json.loads(resp.text)
if args.verbose > 1:
    print(json.dumps(d, sort_keys=True, indent=4, separators=(',', ': ')))
created = datetime.strptime(d['createDate'], "%Y-%m-%d-%H-%M-%S")
if args.verbose:
    print("File created %d days ago (%s), sync token %s" %
          ((datetime.now() - created).days, d['createDate'], d['syncToken']))
if args.listregions:
    print(json.dumps(sorted(set([prefix['region'].lower() for
                                 prefix in d['prefixes']]))))
elif args.listservices:
    print(json.dumps(sorted(set([prefix['service'].lower() for
                                 prefix in d['prefixes']]))))
else:
    for prefix in d['prefixes']:
        if prefix['service'].lower() == args.service.lower():
            if ((prefix['region'].lower() == args.region.lower() or
                 prefix['region'].lower() == 'global')):
                print(prefix['ip_prefix'])