github · copilot

GitHub uses 32 prefixes for copilot.

Short answer

copilot lists the addresses of GitHub Copilot services.

IPv4 prefixes30
IPv6 prefixes2
Regions in the first 100—
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
13.107.5.93/32—copilot
138.91.182.224/32—copilot
140.82.112.0/20—copilot
143.55.64.0/20—copilot
172.182.252.128/32—copilot
185.199.108.0/22—copilot
192.30.252.0/22—copilot
20.199.39.224/32—copilot
20.200.245.249/32—copilot
20.201.28.153/32—copilot
20.205.243.169/32—copilot
20.207.73.89/32—copilot
20.217.135.9/32—copilot
20.233.83.153/32—copilot
20.250.119.64/32—copilot
20.26.156.217/32—copilot
20.27.177.121/32—copilot
20.29.134.26/32—copilot
20.85.130.105/32—copilot
20.87.245.9/32—copilot
4.172.7.153/32—copilot
4.208.26.201/32—copilot
4.225.11.192/32—copilot
4.228.31.153/32—copilot
4.237.22.41/32—copilot
4.249.131.160/32—copilot
48.202.248.32/32—copilot
48.204.201.0/32—copilot
52.140.63.241/32—copilot
52.175.140.176/32—copilot
2606:50c0::/32—copilot
2a0a:a440::/29—copilot
Showing 32 of 32 prefixes All prefixes (CSV)

What changed

  • 31 Oct 2026
    + 172.182.252.128/32
    + 20.200.245.249/32
    + 20.201.28.153/32
    + 20.205.243.169/32
    + 20.207.73.89/32
    + 20.217.135.9/32
    + 20.233.83.153/32
    + 20.26.156.217/32
    + 20.27.177.121/32
    + 20.29.134.26/32
    + 20.87.245.9/32
    + 4.172.7.153/32
    + 4.208.26.201/32
    + 48.202.248.32/32
    + 48.204.201.0/32
    

Allowlist formats

nginx (first 5 prefixes)
allow 13.107.5.93/32;
allow 138.91.182.224/32;
allow 140.82.112.0/20;
allow 143.55.64.0/20;
allow 172.182.252.128/32;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 13.107.5.93/32 -j ACCEPT
iptables -A INPUT -s 138.91.182.224/32 -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 172.182.252.128/32 -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