Google Cloud uses 11 prefixes for us-east7.
Short answer
Google Cloud lists these prefixes under “us-east7”. 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
- 18 Oct 2026
+ 34.4.100.0/24
Allowlist formats
nginx (first 5 prefixes)
allow 34.104.56.0/23; allow 34.127.184.0/23; allow 34.152.110.192/26; allow 34.157.219.192/26; allow 34.161.0.0/16; deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 34.104.56.0/23 -j ACCEPT iptables -A INPUT -s 34.127.184.0/23 -j ACCEPT iptables -A INPUT -s 34.152.110.192/26 -j ACCEPT iptables -A INPUT -s 34.157.219.192/26 -j ACCEPT iptables -A INPUT -s 34.161.0.0/16 -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 3 Nov 2026
- Google Cloud documentation