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gcp · europe-west12

Google Cloud uses 13 prefixes for europe-west12.

Last updated 5 Nov 2026 from Google Cloud’s own list (file dated 2026-11-04T18:04:11.909689)

Short answer

Google Cloud lists these prefixes under “europe-west12”. Google Cloud publishes cloud.json: the external address ranges available to Google Cloud customers, with the region (scope) each one is used in.

IPv4 prefixes11
IPv6 prefixes2
Regions in the first 100europe-west12
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
34.1.144.0/20europe-west12europe-west12
34.152.110.0/25europe-west12europe-west12
34.152.97.0/25europe-west12europe-west12
34.157.124.0/23europe-west12europe-west12
34.157.250.0/23europe-west12europe-west12
34.17.0.0/16europe-west12europe-west12
34.177.65.0/25europe-west12europe-west12
34.177.78.0/25europe-west12europe-west12
34.183.114.0/24europe-west12europe-west12
34.183.3.128/25europe-west12europe-west12
34.184.113.0/24europe-west12europe-west12
2600:1901:81b0::/44europe-west12europe-west12
2600:1902:140::/44europe-west12europe-west12
Showing 13 of 13 prefixes All prefixes (CSV)

What changed

No prefixes added or removed since we started tracking this list. Changes appear here the day after the provider publishes them.

Allowlist formats

nginx (first 5 prefixes)
allow 34.1.144.0/20;
allow 34.152.110.0/25;
allow 34.152.97.0/25;
allow 34.157.124.0/23;
allow 34.157.250.0/23;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 34.1.144.0/20 -j ACCEPT
iptables -A INPUT -s 34.152.110.0/25 -j ACCEPT
iptables -A INPUT -s 34.152.97.0/25 -j ACCEPT
iptables -A INPUT -s 34.157.124.0/23 -j ACCEPT
iptables -A INPUT -s 34.157.250.0/23 -j ACCEPT

Generate the full list from the CSV, and refresh it on a schedule: providers add and retire prefixes often.

Sources

  1. Google Cloud: published IP ranges · checked 5 Nov 2026
  2. Google Cloud documentation