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github · actions

GitHub uses 8,350 prefixes for actions.

Last updated 5 Nov 2026 from GitHub’s own list

Short answer

actions lists the addresses GitHub-hosted Actions runners can use. It is long and changes often; GitHub notes it is not a reliable allowlist on its own.

IPv4 prefixes5,622
IPv6 prefixes2,728
Regions in the first 100—
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
100.62.132.232/32—actions
100.62.139.158/32—actions
104.208.0.0/19—actions
104.208.128.0/17—actions
104.208.32.0/20—actions
104.209.0.0/18—actions
104.209.128.0/17—actions
104.210.0.0/20—actions
104.210.128.0/19—actions
104.210.176.0/20—actions
104.210.192.0/19—actions
104.210.32.0/19—actions
104.211.0.0/18—actions
104.214.0.0/17—actions
104.214.192.0/18—actions
104.215.64.0/18—actions
104.40.0.0/17—actions
104.40.128.0/17—actions
104.41.128.0/19—actions
104.41.192.0/18—actions
104.41.64.0/18—actions
104.42.0.0/16—actions
104.43.128.0/17—actions
104.44.128.0/18—actions
104.44.88.0/27—actions
104.44.88.128/27—actions
104.44.88.160/27—actions
104.44.88.32/27—actions
104.44.88.64/27—actions
104.44.88.96/27—actions
104.44.89.0/27—actions
104.44.89.128/27—actions
104.44.89.160/27—actions
104.44.89.192/27—actions
104.44.89.64/27—actions
104.44.89.96/27—actions
104.44.90.192/27—actions
104.44.91.0/27—actions
104.44.91.128/27—actions
104.44.91.160/27—actions
104.44.91.32/27—actions
104.44.91.64/27—actions
104.44.91.96/27—actions
104.44.92.192/27—actions
104.44.92.224/27—actions
104.44.92.64/27—actions
104.44.92.96/27—actions
104.44.93.0/27—actions
104.44.93.160/27—actions
104.44.93.192/27—actions
Showing 50 of 8,350 prefixes All prefixes (CSV)

What changed

  • 31 Oct 2026
    + 130.107.0.0/22
+ 130.107.128.0/17
+ 130.107.16.0/20
+ 130.107.32.0/19
+ 130.107.4.0/23
+ 130.107.6.0/24
+ 130.107.64.0/18
+ 130.107.7.0/27
+ 130.107.7.128/25
+ 130.107.7.32/29
+ 130.107.7.64/26
+ 130.107.8.0/21
+ 132.220.0.0/18
+ 132.220.128.0/17
+ 132.220.64.0/20
+ 132.220.80.0/22
+ 132.220.84.0/24
+ 132.220.85.0/25
+ 132.220.85.128/28
+ 132.220.85.144/29
+ 132.220.85.152/30
+ 132.220.85.158/31
+ 132.220.85.160/27
+ 132.220.85.192/26
+ 132.220.86.0/24
+ 132.220.87.0/27
+ 132.220.87.112/31
+ 132.220.87.114/32
+ 132.220.87.127/32
+ 132.220.87.128/28
+ 132.220.87.160/27
+ 132.220.87.192/26
+ 132.220.87.32/28
+ 132.220.87.48/29
+ 132.220.87.56/30
+ 132.220.87.64/27
+ 132.220.87.96/28
+ 132.220.88.0/21
+ 132.220.96.0/19
+ 134.149.0.0/21
+ 134.149.10.0/27
+ 134.149.10.128/26
+ 134.149.10.192/27
+ 134.149.10.240/28
+ 134.149.10.32/28
+ 134.149.10.48/30
+ 134.149.10.52/32
+ 134.149.10.55/32
+ 134.149.10.64/26
+ 134.149.11.0/24
+ 134.149.12.0/24
+ 134.149.13.0/25
+ 134.149.13.128/26
+ 134.149.13.196/31
+ 134.149.13.208/28
+ 134.149.13.224/27
+ 134.149.14.0/27
+ 134.149.14.128/25
+ 134.149.14.50/31
+ 134.149.14.52/30

Allowlist formats

nginx (first 5 prefixes)
allow 100.62.132.232/32;
allow 100.62.139.158/32;
allow 104.208.0.0/19;
allow 104.208.128.0/17;
allow 104.208.32.0/20;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 100.62.132.232/32 -j ACCEPT
iptables -A INPUT -s 100.62.139.158/32 -j ACCEPT
iptables -A INPUT -s 104.208.0.0/19 -j ACCEPT
iptables -A INPUT -s 104.208.128.0/17 -j ACCEPT
iptables -A INPUT -s 104.208.32.0/20 -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