gcp · us-west2

Google Cloud uses 25 prefixes for us-west2.

Name: Google Cloud us-west2 IP ranges
Creator: Google Cloud

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 “us-west2”. Google Cloud publishes cloud.json: the external address ranges available to Google Cloud customers, with the region (scope) each one is used in.

IPv4 prefixes	23
IPv6 prefixes	2
Regions in the first 100	us-west2
Fetched by peekip	5 Nov 2026

Prefixes

Prefix	Region / location	Service
34.102.0.0/17	us-west2	us-west2
34.104.64.0/21	us-west2	us-west2
34.108.0.0/16	us-west2	us-west2
34.118.248.0/23	us-west2	us-west2
34.124.0.0/21	us-west2	us-west2
34.183.125.0/24	us-west2	us-west2
34.183.141.0/24	us-west2	us-west2
34.183.83.0/24	us-west2	us-west2
34.184.126.0/24	us-west2	us-west2
34.184.135.0/24	us-west2	us-west2
34.184.82.0/24	us-west2	us-west2
34.186.128.0/18	us-west2	us-west2
34.2.76.0/23	us-west2	us-west2
34.20.128.0/17	us-west2	us-west2
34.4.192.0/24	us-west2	us-west2
34.4.28.0/22	us-west2	us-west2
34.94.0.0/16	us-west2	us-west2
35.215.64.0/18	us-west2	us-west2
35.220.47.0/24	us-west2	us-west2
35.235.64.0/18	us-west2	us-west2
35.236.0.0/17	us-west2	us-west2
35.242.47.0/24	us-west2	us-west2
35.243.0.0/21	us-west2	us-west2
2600:1900:4120::/44	us-west2	us-west2
2600:1902:2a0::/44	us-west2	us-west2

What changed

25 Oct 2026
```
+ 34.183.141.0/24
+ 34.184.135.0/24
```

23 Oct 2026

− 34.183.141.0/24
− 34.184.135.0/24

22 Oct 2026
```
+ 34.183.141.0/24
+ 34.184.135.0/24
```

Allowlist formats

nginx (first 5 prefixes)

allow 34.102.0.0/17;
allow 34.104.64.0/21;
allow 34.108.0.0/16;
allow 34.118.248.0/23;
allow 34.124.0.0/21;
deny all;

iptables (first 5 prefixes)

iptables -A INPUT -s 34.102.0.0/17 -j ACCEPT
iptables -A INPUT -s 34.104.64.0/21 -j ACCEPT
iptables -A INPUT -s 34.108.0.0/16 -j ACCEPT
iptables -A INPUT -s 34.118.248.0/23 -j ACCEPT
iptables -A INPUT -s 34.124.0.0/21 -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 5 Nov 2026
Google Cloud documentation