Sign inMonitor a domain
gcp · europe-west1

Google Cloud uses 57 prefixes for europe-west1.

Last updated 3 Nov 2026 from Google Cloud’s own list (file dated 2026-11-02T18:07:01.260033)

Short answer

Google Cloud lists these prefixes under “europe-west1”. Google Cloud publishes cloud.json: the external address ranges available to Google Cloud customers, with the region (scope) each one is used in.

IPv4 prefixes55
IPv6 prefixes2
Regions in the first 100europe-west1
Fetched by peekip3 Nov 2026

Prefixes

PrefixRegion / locationService
104.155.0.0/17europe-west1europe-west1
104.199.0.0/18europe-west1europe-west1
104.199.66.0/23europe-west1europe-west1
104.199.68.0/22europe-west1europe-west1
104.199.72.0/21europe-west1europe-west1
104.199.80.0/20europe-west1europe-west1
104.199.96.0/20europe-west1europe-west1
130.211.48.0/20europe-west1europe-west1
130.211.64.0/19europe-west1europe-west1
130.211.96.0/20europe-west1europe-west1
136.77.0.0/17europe-west1europe-west1
136.84.0.0/16europe-west1europe-west1
136.91.0.0/16europe-west1europe-west1
136.94.0.0/16europe-west1europe-west1
146.148.112.0/20europe-west1europe-west1
146.148.16.0/20europe-west1europe-west1
146.148.2.0/23europe-west1europe-west1
146.148.4.0/22europe-west1europe-west1
146.148.8.0/21europe-west1europe-west1
192.158.28.0/22europe-west1europe-west1
207.175.0.0/16europe-west1europe-west1
23.251.128.0/20europe-west1europe-west1
34.118.254.0/23europe-west1europe-west1
34.14.0.0/17europe-west1europe-west1
34.140.0.0/16europe-west1europe-west1
34.156.0.0/16europe-west1europe-west1
34.183.74.0/24europe-west1europe-west1
34.183.84.0/22europe-west1europe-west1
34.184.73.0/24europe-west1europe-west1
34.184.84.0/22europe-west1europe-west1
34.22.112.0/20europe-west1europe-west1
34.22.128.0/17europe-west1europe-west1
34.34.128.0/18europe-west1europe-west1
34.38.0.0/16europe-west1europe-west1
34.52.128.0/17europe-west1europe-west1
34.53.128.0/17europe-west1europe-west1
34.62.0.0/16europe-west1europe-west1
34.76.0.0/14europe-west1europe-west1
35.187.0.0/17europe-west1europe-west1
35.187.160.0/19europe-west1europe-west1
35.189.192.0/18europe-west1europe-west1
35.190.192.0/19europe-west1europe-west1
35.195.0.0/16europe-west1europe-west1
35.205.0.0/16europe-west1europe-west1
35.206.128.0/18europe-west1europe-west1
35.210.0.0/16europe-west1europe-west1
35.220.96.0/19europe-west1europe-west1
35.233.0.0/17europe-west1europe-west1
35.240.0.0/17europe-west1europe-west1
35.241.128.0/17europe-west1europe-west1
Showing 50 of 57 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 104.155.0.0/17;
allow 104.199.0.0/18;
allow 104.199.66.0/23;
allow 104.199.68.0/22;
allow 104.199.72.0/21;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 104.155.0.0/17 -j ACCEPT
iptables -A INPUT -s 104.199.0.0/18 -j ACCEPT
iptables -A INPUT -s 104.199.66.0/23 -j ACCEPT
iptables -A INPUT -s 104.199.68.0/22 -j ACCEPT
iptables -A INPUT -s 104.199.72.0/21 -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 3 Nov 2026
  2. Google Cloud documentation