Determine if IP is an AWS IP, and what service it is serving.

is_aws_ip.py

#!/usr/bin/env python
from __future__ import print_function

import requests
import json
import ipaddr #py2
#import ipaddress #py3
import sys
import pprint

if len(sys.argv) == 1:
    print('Usage: \n is_aws_ip.py IP')
    exit(1)
IP = sys.argv[1]
a = ipaddr.IPAddress(IP)

#https://aws.amazon.com/blogs/aws/aws-ip-ranges-json/
r = requests.get("https://ip-ranges.amazonaws.com/ip-ranges.json")
json = r.json()
prefixes = json["prefixes"]
for prefix in prefixes:
    range = prefix["ip_prefix"]
    n = ipaddr.IPNetwork(range)
    if n.Contains(a):
        pprint.pprint(prefix)