Google Cloud uses 13 prefixes for europe-west6.
Short answer
Google Cloud lists these prefixes under “europe-west6”. Google Cloud publishes cloud.json: the external address ranges available to Google Cloud customers, with the region (scope) each one is used in.
Prefixes
What changed
- 11 Oct 2026
+ 179.69.224.0/19 - 9 Oct 2026
− 179.69.224.0/19
Allowlist formats
nginx (first 5 prefixes)
allow 179.69.224.0/19; allow 34.104.110.0/23; allow 34.124.46.0/23; allow 34.158.16.0/20; allow 34.183.109.0/24; deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 179.69.224.0/19 -j ACCEPT iptables -A INPUT -s 34.104.110.0/23 -j ACCEPT iptables -A INPUT -s 34.124.46.0/23 -j ACCEPT iptables -A INPUT -s 34.158.16.0/20 -j ACCEPT iptables -A INPUT -s 34.183.109.0/24 -j ACCEPT
Generate the full list from the CSV, and refresh it on a schedule: providers add and retire prefixes often.
Sources
- Google Cloud: published IP ranges · checked 5 Nov 2026
- Google Cloud documentation