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aws · ROUTE53_HEALTHCHECKS

Amazon Web Services uses 57 prefixes for ROUTE53_HEALTHCHECKS.

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

Short answer

ROUTE53_HEALTHCHECKS are the addresses Route 53 health checkers probe your endpoints from. Allow them if you use health checks.

IPv4 prefixes31
IPv6 prefixes26
Regions in the first 100us-east-1, GLOBAL, us-south-1, us-gov-west-1, eu-west-1, sa-east-1, us-gov-east-1, eusc-de-east-1 …
Fetched by peekip5 Nov 2026

Prefixes

PrefixRegion / locationService
107.23.255.0/26us-east-1ROUTE53_HEALTHCHECKS
15.177.0.0/18GLOBALROUTE53_HEALTHCHECKS
15.177.108.0/24us-south-1ROUTE53_HEALTHCHECKS
160.1.55.0/25us-gov-west-1ROUTE53_HEALTHCHECKS
160.1.55.128/25us-gov-west-1ROUTE53_HEALTHCHECKS
160.1.56.0/25us-gov-west-1ROUTE53_HEALTHCHECKS
176.34.159.192/26eu-west-1ROUTE53_HEALTHCHECKS
177.71.207.128/26sa-east-1ROUTE53_HEALTHCHECKS
18.253.167.0/25us-gov-east-1ROUTE53_HEALTHCHECKS
18.253.167.128/25us-gov-east-1ROUTE53_HEALTHCHECKS
18.253.168.0/25us-gov-east-1ROUTE53_HEALTHCHECKS
51.0.252.0/24eusc-de-east-1ROUTE53_HEALTHCHECKS
52.80.197.0/25cn-north-1ROUTE53_HEALTHCHECKS
52.80.197.128/25cn-north-1ROUTE53_HEALTHCHECKS
52.80.198.0/25cn-north-1ROUTE53_HEALTHCHECKS
52.83.34.128/25cn-northwest-1ROUTE53_HEALTHCHECKS
52.83.35.0/25cn-northwest-1ROUTE53_HEALTHCHECKS
52.83.35.128/25cn-northwest-1ROUTE53_HEALTHCHECKS
54.183.255.128/26us-west-1ROUTE53_HEALTHCHECKS
54.228.16.0/26eu-west-1ROUTE53_HEALTHCHECKS
54.232.40.64/26sa-east-1ROUTE53_HEALTHCHECKS
54.241.32.64/26us-west-1ROUTE53_HEALTHCHECKS
54.243.31.192/26us-east-1ROUTE53_HEALTHCHECKS
54.244.52.192/26us-west-2ROUTE53_HEALTHCHECKS
54.245.168.0/26us-west-2ROUTE53_HEALTHCHECKS
54.248.220.0/26ap-northeast-1ROUTE53_HEALTHCHECKS
54.250.253.192/26ap-northeast-1ROUTE53_HEALTHCHECKS
54.251.31.128/26ap-southeast-1ROUTE53_HEALTHCHECKS
54.252.254.192/26ap-southeast-2ROUTE53_HEALTHCHECKS
54.252.79.128/26ap-southeast-2ROUTE53_HEALTHCHECKS
54.255.254.192/26ap-southeast-1ROUTE53_HEALTHCHECKS
2001:3fc6:100::/48eusc-de-east-1ROUTE53_HEALTHCHECKS
2400:7fc0:83cc:cc00::/56cn-north-1ROUTE53_HEALTHCHECKS
2400:7fc0:83cc:cd00::/56cn-north-1ROUTE53_HEALTHCHECKS
2400:7fc0:83cc:ce00::/56cn-north-1ROUTE53_HEALTHCHECKS
2404:c2c0:83cc:cc00::/56cn-northwest-1ROUTE53_HEALTHCHECKS
2404:c2c0:83cc:cd00::/56cn-northwest-1ROUTE53_HEALTHCHECKS
2404:c2c0:83cc:ce00::/56cn-northwest-1ROUTE53_HEALTHCHECKS
2406:da14:7ff:f800::/56ap-northeast-1ROUTE53_HEALTHCHECKS
2406:da14:fff:f800::/56ap-northeast-1ROUTE53_HEALTHCHECKS
2406:da18:7ff:f800::/56ap-southeast-1ROUTE53_HEALTHCHECKS
2406:da18:fff:f800::/56ap-southeast-1ROUTE53_HEALTHCHECKS
2406:da1c:7ff:f800::/56ap-southeast-2ROUTE53_HEALTHCHECKS
2406:da1c:fff:f800::/56ap-southeast-2ROUTE53_HEALTHCHECKS
2600:1f14:7ff:f800::/56us-west-2ROUTE53_HEALTHCHECKS
2600:1f14:fff:f800::/56us-west-2ROUTE53_HEALTHCHECKS
2600:1f18:3fff:f800::/56us-east-1ROUTE53_HEALTHCHECKS
2600:1f18:7fff:f800::/56us-east-1ROUTE53_HEALTHCHECKS
2600:1f1c:7ff:f800::/56us-west-1ROUTE53_HEALTHCHECKS
2600:1f1c:fff:f800::/56us-west-1ROUTE53_HEALTHCHECKS
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 107.23.255.0/26;
allow 15.177.0.0/18;
allow 15.177.108.0/24;
allow 160.1.55.0/25;
allow 160.1.55.128/25;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 107.23.255.0/26 -j ACCEPT
iptables -A INPUT -s 15.177.0.0/18 -j ACCEPT
iptables -A INPUT -s 15.177.108.0/24 -j ACCEPT
iptables -A INPUT -s 160.1.55.0/25 -j ACCEPT
iptables -A INPUT -s 160.1.55.128/25 -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