GitHub uses 30 prefixes for packages.
Short answer
packages lists the addresses of GitHub Packages.
Prefixes
What changed
- 21 Oct 2026
+ 20.250.119.73/32
Allowlist formats
nginx (first 5 prefixes)
allow 140.82.112.33/32; allow 140.82.112.34/32; allow 140.82.113.33/32; allow 140.82.113.34/32; allow 140.82.114.33/32; deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 140.82.112.33/32 -j ACCEPT iptables -A INPUT -s 140.82.112.34/32 -j ACCEPT iptables -A INPUT -s 140.82.113.33/32 -j ACCEPT iptables -A INPUT -s 140.82.113.34/32 -j ACCEPT iptables -A INPUT -s 140.82.114.33/32 -j ACCEPT
Generate the full list from the CSV, and refresh it on a schedule: providers add and retire prefixes often.
Sources
- GitHub: published IP ranges · checked 5 Nov 2026
- GitHub documentation