github · github_enterprise_importer

GitHub uses 8 prefixes for github_enterprise_importer.

Short answer

GitHub lists these prefixes under “github_enterprise_importer”. GitHub’s meta API lists the addresses for each GitHub service: webhooks (hooks), the website (web), the API, Git, Actions runners, Pages, packages, Copilot and others.

IPv4 prefixes6
IPv6 prefixes2
Regions in the first 100—
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
135.234.59.224/28—github_enterprise_importer
140.82.112.0/20—github_enterprise_importer
143.55.64.0/20—github_enterprise_importer
185.199.108.0/22—github_enterprise_importer
192.30.252.0/22—github_enterprise_importer
20.99.172.64/28—github_enterprise_importer
2606:50c0::/32—github_enterprise_importer
2a0a:a440::/29—github_enterprise_importer
Showing 8 of 8 prefixes All prefixes (CSV)

What changed

No prefixes added or removed since we started tracking this list. Changes appear here the day after the provider publishes them.

Allowlist formats

nginx (first 5 prefixes)
allow 135.234.59.224/28;
allow 140.82.112.0/20;
allow 143.55.64.0/20;
allow 185.199.108.0/22;
allow 192.30.252.0/22;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 135.234.59.224/28 -j ACCEPT
iptables -A INPUT -s 140.82.112.0/20 -j ACCEPT
iptables -A INPUT -s 143.55.64.0/20 -j ACCEPT
iptables -A INPUT -s 185.199.108.0/22 -j ACCEPT
iptables -A INPUT -s 192.30.252.0/22 -j ACCEPT

Generate the full list from the CSV, and refresh it on a schedule: providers add and retire prefixes often.

Sources

  1. GitHub: published IP ranges · checked 5 Nov 2026
  2. GitHub documentation