Add github

github/downloader.sh

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# https://docs.github.com/en/authentication/keeping-your-account-and-data-secure/about-githubs-ip-addresses
+
+set -euo pipefail
+set -x
+
+
+# get from public ranges
+curl -s https://api.github.com/meta > /tmp/github.json
+
+
+# get all prefixes without some keys
+jq 'del(.["ssh_keys", "verifiable_password_authentication", "ssh_key_fingerprints"]) | .[] | .[]' -r /tmp/github.json > /tmp/github-all.txt
+
+
+# save ipv4
+grep -v ':' /tmp/github-all.txt > /tmp/github-ipv4.txt
+
+# save ipv6
+grep ':' /tmp/github-all.txt > /tmp/github-ipv6.txt
+
+
+# sort & uniq
+sort -h /tmp/github-ipv4.txt | uniq > github/ipv4.txt
+sort -h /tmp/github-ipv6.txt | uniq > github/ipv6.txt