added github

README.md

@@ -38,3 +38,4 @@ print(subnet) # IPv4Network('168.62.0.0/19')
 - DigitalOcean ([source](http://digitalocean.com/geo/google.csv))
 - Cloudflare ([source](https://api.cloudflare.com/client/v4/ips))
 - Akamai ([source](https://techdocs.akamai.com/property-manager/pdfs/akamai_ipv4_ipv6_CIDRs-txt.zip))
+- Github ([source](https://api.github.com/meta))

cloudcheck/cloudcheck.py

@@ -3,6 +3,7 @@
 import traceback
 from threading import Lock
 from datetime import datetime
+from collections import OrderedDict
 from concurrent.futures import ThreadPoolExecutor
 
 from .providers import *
@@ -29,6 +30,7 @@ def __init__(self, *args, **kwargs):
         with ThreadPoolExecutor(max_workers=len(provider_classes)) as e:
             for p in provider_classes:
                 e.submit(self._get_provider, p, *args, **kwargs)
+        self.providers = OrderedDict(sorted(self.providers.items()))
 
     def _get_provider(self, p, *args, **kwargs):
         try:

cloudcheck/providers.py

@@ -3,6 +3,7 @@
 import logging
 import zipfile
 import requests
+import ipaddress
 import traceback
 from pathlib import Path
 from requests_cache import CachedSession
@@ -149,3 +150,21 @@ def parse_response(self, response):
                         if line:
                             ranges.add(line)
         return ranges
+
+
+class Github(CloudProvider):
+    main_url = "https://api.github.com/meta"
+    provider_type = "cdn"
+
+    def parse_response(self, response):
+        ranges = set()
+        response_json = response.json()
+        for k, v in response_json.items():
+            if isinstance(v, list):
+                for n in v:
+                    try:
+                        net = ipaddress.ip_network(n)
+                        ranges.add(n)
+                    except ValueError:
+                        pass
+        return ranges