aws · CLOUD9

Amazon Web Services uses 44 prefixes for CLOUD9.

Name: Amazon Web Services CLOUD9 IP ranges
Creator: Amazon Web Services

Last updated 5 Nov 2026 from Amazon Web Services’s own list (file dated 2026-11-04-23-10-01)

Short answer

Amazon Web Services lists these prefixes under “CLOUD9”. Amazon Web Services publishes every public address range it uses in ip-ranges.json, tagged by region and by service (EC2, CloudFront, S3, Route 53 health checks and more). The AMAZON service covers all of them; the other tags are subsets.

IPv4 prefixes	44
IPv6 prefixes	0
Regions in the first 100	ap-south-1, ap-southeast-2, af-south-1, ap-southeast-1, eu-north-1, us-west-1, ap-northeast-3, eu-south-1 …
Fetched by peekip	5 Nov 2026

Prefixes

Prefix	Region / location	Service
13.232.67.128/27	ap-south-1	CLOUD9
13.232.67.160/27	ap-south-1	CLOUD9
13.236.82.128/27	ap-southeast-2	CLOUD9
13.236.82.96/27	ap-southeast-2	CLOUD9
13.245.155.128/27	af-south-1	CLOUD9
13.245.155.224/27	af-south-1	CLOUD9
13.250.186.128/27	ap-southeast-1	CLOUD9
13.250.186.160/27	ap-southeast-1	CLOUD9
13.48.186.128/27	eu-north-1	CLOUD9
13.48.186.160/27	eu-north-1	CLOUD9
13.52.232.224/27	us-west-1	CLOUD9
15.152.24.0/27	ap-northeast-3	CLOUD9
15.152.24.32/27	ap-northeast-3	CLOUD9
15.161.135.64/27	eu-south-1	CLOUD9
15.161.135.96/27	eu-south-1	CLOUD9
15.164.243.192/27	ap-northeast-2	CLOUD9
15.164.243.32/27	ap-northeast-2	CLOUD9
15.185.141.160/27	me-south-1	CLOUD9
15.185.91.32/27	me-south-1	CLOUD9
15.188.210.32/27	eu-west-3	CLOUD9
15.188.210.64/27	eu-west-3	CLOUD9
15.222.16.96/27	ca-central-1	CLOUD9
15.222.43.0/27	ca-central-1	CLOUD9
18.144.158.0/27	us-west-1	CLOUD9
18.163.139.32/27	ap-east-1	CLOUD9
18.163.201.96/27	ap-east-1	CLOUD9
18.179.48.128/27	ap-northeast-1	CLOUD9
18.179.48.96/27	ap-northeast-1	CLOUD9
18.184.138.224/27	eu-central-1	CLOUD9
18.184.203.128/27	eu-central-1	CLOUD9
18.188.9.0/27	us-east-2	CLOUD9
18.188.9.32/27	us-east-2	CLOUD9
18.230.46.0/27	sa-east-1	CLOUD9
18.230.46.32/27	sa-east-1	CLOUD9
3.10.127.32/27	eu-west-2	CLOUD9
3.10.201.64/27	eu-west-2	CLOUD9
34.217.141.224/27	us-west-2	CLOUD9
34.218.119.32/27	us-west-2	CLOUD9
34.245.205.0/27	eu-west-1	CLOUD9
34.245.205.64/27	eu-west-1	CLOUD9
35.172.155.192/27	us-east-1	CLOUD9
35.172.155.96/27	us-east-1	CLOUD9
51.16.103.32/27	il-central-1	CLOUD9
51.16.183.64/27	il-central-1	CLOUD9

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 13.232.67.128/27;
allow 13.232.67.160/27;
allow 13.236.82.128/27;
allow 13.236.82.96/27;
allow 13.245.155.128/27;
deny all;

iptables (first 5 prefixes)

iptables -A INPUT -s 13.232.67.128/27 -j ACCEPT
iptables -A INPUT -s 13.232.67.160/27 -j ACCEPT
iptables -A INPUT -s 13.236.82.128/27 -j ACCEPT
iptables -A INPUT -s 13.236.82.96/27 -j ACCEPT
iptables -A INPUT -s 13.245.155.128/27 -j ACCEPT

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

Sources

Amazon Web Services: published IP ranges · checked 5 Nov 2026
Amazon Web Services documentation