Google Cloud uses 11 prefixes for europe-north1.
Short answer
Google Cloud lists these prefixes under “europe-north1”. 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
+ 179.193.128.0/19 - 9 Oct 2026
− 179.193.128.0/19
Allowlist formats
nginx (first 5 prefixes)
allow 179.193.128.0/19; allow 34.104.96.0/21; allow 34.124.32.0/21; allow 34.88.0.0/16; allow 35.203.232.0/21; deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 179.193.128.0/19 -j ACCEPT iptables -A INPUT -s 34.104.96.0/21 -j ACCEPT iptables -A INPUT -s 34.124.32.0/21 -j ACCEPT iptables -A INPUT -s 34.88.0.0/16 -j ACCEPT iptables -A INPUT -s 35.203.232.0/21 -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 4 Nov 2026
- Google Cloud documentation