gcp · us-east1

Google Cloud uses 50 prefixes for us-east1.

Name: Google Cloud us-east1 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-east1”. 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	48
IPv6 prefixes	2
Regions in the first 100	us-east1
Fetched by peekip	5 Nov 2026

Prefixes

Prefix	Region / location	Service
104.196.0.0/18	us-east1	us-east1
104.196.128.0/18	us-east1	us-east1
104.196.192.0/19	us-east1	us-east1
104.196.65.0/24	us-east1	us-east1
104.196.66.0/23	us-east1	us-east1
104.196.68.0/22	us-east1	us-east1
104.196.96.0/19	us-east1	us-east1
136.108.0.0/16	us-east1	us-east1
136.72.0.0/16	us-east1	us-east1
162.216.148.0/22	us-east1	us-east1
34.112.0.0/16	us-east1	us-east1
34.118.250.0/23	us-east1	us-east1
34.138.0.0/15	us-east1	us-east1
34.148.0.0/16	us-east1	us-east1
34.152.72.0/21	us-east1	us-east1
34.177.40.0/21	us-east1	us-east1
34.183.33.0/24	us-east1	us-east1
34.183.4.0/23	us-east1	us-east1
34.183.56.0/23	us-east1	us-east1
34.183.81.0/24	us-east1	us-east1
34.183.88.0/21	us-east1	us-east1
34.184.34.0/24	us-east1	us-east1
34.184.4.0/23	us-east1	us-east1
34.184.56.0/23	us-east1	us-east1
34.184.80.0/24	us-east1	us-east1
34.184.88.0/21	us-east1	us-east1
34.23.0.0/16	us-east1	us-east1
34.24.0.0/15	us-east1	us-east1
34.26.0.0/16	us-east1	us-east1
34.3.76.0/22	us-east1	us-east1
34.4.16.0/22	us-east1	us-east1
34.73.0.0/16	us-east1	us-east1
34.74.0.0/15	us-east1	us-east1
34.98.128.0/21	us-east1	us-east1
35.185.0.0/17	us-east1	us-east1
35.190.128.0/18	us-east1	us-east1
35.196.0.0/16	us-east1	us-east1
35.207.0.0/18	us-east1	us-east1
35.211.0.0/16	us-east1	us-east1
35.220.0.0/20	us-east1	us-east1
35.227.0.0/17	us-east1	us-east1
35.229.16.0/20	us-east1	us-east1
35.229.32.0/19	us-east1	us-east1
35.229.64.0/18	us-east1	us-east1
35.231.0.0/16	us-east1	us-east1
35.237.0.0/16	us-east1	us-east1
35.242.0.0/20	us-east1	us-east1
35.243.128.0/17	us-east1	us-east1
2600:1900:4020::/44	us-east1	us-east1
2600:1902:230::/44	us-east1	us-east1

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 104.196.0.0/18;
allow 104.196.128.0/18;
allow 104.196.192.0/19;
allow 104.196.65.0/24;
allow 104.196.66.0/23;
deny all;

iptables (first 5 prefixes)

iptables -A INPUT -s 104.196.0.0/18 -j ACCEPT
iptables -A INPUT -s 104.196.128.0/18 -j ACCEPT
iptables -A INPUT -s 104.196.192.0/19 -j ACCEPT
iptables -A INPUT -s 104.196.65.0/24 -j ACCEPT
iptables -A INPUT -s 104.196.66.0/23 -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