aws · ROUTE53_RESOLVER

Amazon Web Services uses 638 prefixes for ROUTE53_RESOLVER.

Short answer

Amazon Web Services lists these prefixes under “ROUTE53_RESOLVER”. 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 prefixes638
IPv6 prefixes0
Regions in the first 100ap-southeast-3, ap-northeast-2, ap-south-1, ap-northeast-3, ap-southeast-2, ap-southeast-1, ap-northeast-1, af-south-1 …
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
108.136.122.0/26ap-southeast-3ROUTE53_RESOLVER
108.136.122.64/26ap-southeast-3ROUTE53_RESOLVER
108.136.38.192/26ap-southeast-3ROUTE53_RESOLVER
13.124.145.104/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.112/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.120/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.24/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.64/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.72/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.80/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.88/29ap-northeast-2ROUTE53_RESOLVER
13.124.145.96/29ap-northeast-2ROUTE53_RESOLVER
13.126.23.136/29ap-south-1ROUTE53_RESOLVER
13.126.23.144/29ap-south-1ROUTE53_RESOLVER
13.126.23.152/29ap-south-1ROUTE53_RESOLVER
13.126.23.160/27ap-south-1ROUTE53_RESOLVER
13.126.23.192/27ap-south-1ROUTE53_RESOLVER
13.127.70.128/29ap-south-1ROUTE53_RESOLVER
13.127.70.144/29ap-south-1ROUTE53_RESOLVER
13.127.70.152/29ap-south-1ROUTE53_RESOLVER
13.127.70.160/29ap-south-1ROUTE53_RESOLVER
13.208.131.0/29ap-northeast-3ROUTE53_RESOLVER
13.208.131.128/27ap-northeast-3ROUTE53_RESOLVER
13.208.131.16/29ap-northeast-3ROUTE53_RESOLVER
13.208.131.160/27ap-northeast-3ROUTE53_RESOLVER
13.208.131.192/27ap-northeast-3ROUTE53_RESOLVER
13.208.131.224/30ap-northeast-3ROUTE53_RESOLVER
13.208.131.228/30ap-northeast-3ROUTE53_RESOLVER
13.208.131.232/30ap-northeast-3ROUTE53_RESOLVER
13.208.131.24/29ap-northeast-3ROUTE53_RESOLVER
13.208.131.32/29ap-northeast-3ROUTE53_RESOLVER
13.208.131.40/29ap-northeast-3ROUTE53_RESOLVER
13.208.131.8/29ap-northeast-3ROUTE53_RESOLVER
13.208.177.224/27ap-northeast-3ROUTE53_RESOLVER
13.208.217.64/27ap-northeast-3ROUTE53_RESOLVER
13.208.217.96/27ap-northeast-3ROUTE53_RESOLVER
13.208.227.0/25ap-northeast-3ROUTE53_RESOLVER
13.208.227.128/25ap-northeast-3ROUTE53_RESOLVER
13.208.228.0/25ap-northeast-3ROUTE53_RESOLVER
13.208.33.16/29ap-northeast-3ROUTE53_RESOLVER
13.208.33.24/29ap-northeast-3ROUTE53_RESOLVER
13.208.33.8/29ap-northeast-3ROUTE53_RESOLVER
13.209.1.0/29ap-northeast-2ROUTE53_RESOLVER
13.209.1.8/29ap-northeast-2ROUTE53_RESOLVER
13.209.1.96/27ap-northeast-2ROUTE53_RESOLVER
13.209.71.128/27ap-northeast-2ROUTE53_RESOLVER
13.209.71.224/27ap-northeast-2ROUTE53_RESOLVER
13.211.12.160/27ap-southeast-2ROUTE53_RESOLVER
13.211.12.192/29ap-southeast-2ROUTE53_RESOLVER
13.211.12.200/29ap-southeast-2ROUTE53_RESOLVER
Showing 50 of 638 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 108.136.122.0/26;
allow 108.136.122.64/26;
allow 108.136.38.192/26;
allow 13.124.145.104/29;
allow 13.124.145.112/29;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 108.136.122.0/26 -j ACCEPT
iptables -A INPUT -s 108.136.122.64/26 -j ACCEPT
iptables -A INPUT -s 108.136.38.192/26 -j ACCEPT
iptables -A INPUT -s 13.124.145.104/29 -j ACCEPT
iptables -A INPUT -s 13.124.145.112/29 -j ACCEPT

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

Sources

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