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aws · ROUTE53_HEALTHCHECKS_PUBLISHING

Amazon Web Services uses 39 prefixes for ROUTE53_HEALTHCHECKS_PUBLISHING.

Last updated 3 Nov 2026 from Amazon Web Services’s own list (file dated 2026-11-02-17-27-05)

Short answer

Amazon Web Services lists these prefixes under “ROUTE53_HEALTHCHECKS_PUBLISHING”. 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 prefixes39
IPv6 prefixes0
Regions in the first 100ca-west-1, mx-central-1, ap-southeast-7, ap-east-2, ap-southeast-6, me-west-1, sa-west-1, us-east-1 …
Fetched by peekip3 Nov 2026

Prefixes

PrefixRegion / locationService
15.177.100.0/24ca-west-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.102.0/24mx-central-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.103.0/24ap-southeast-7ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.104.0/24ap-east-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.105.0/24ap-southeast-6ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.106.0/24me-west-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.107.0/24sa-west-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.64.0/23us-east-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.66.0/23us-east-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.68.0/23eu-central-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.70.0/23sa-east-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.72.0/24eu-north-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.73.0/24ap-south-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.74.0/24eu-west-3ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.75.0/24eu-west-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.76.0/24ap-northeast-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.77.0/24ap-northeast-3ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.78.0/24eu-west-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.79.0/24ap-northeast-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.80.0/24us-west-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.81.0/24us-west-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.82.0/24ap-southeast-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.83.0/24ap-southeast-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.84.0/24ca-central-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.85.0/24ap-east-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.86.0/24ap-east-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.87.0/24me-south-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.88.0/24sa-east-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.89.0/24eu-west-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.90.0/24eu-south-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.91.0/24af-south-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.92.0/24ap-southeast-3ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.93.0/24me-central-1ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.94.0/24ap-south-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.95.0/24ap-southeast-5ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.96.0/24ap-southeast-4ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.97.0/24eu-south-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.98.0/24eu-central-2ROUTE53_HEALTHCHECKS_PUBLISHING
15.177.99.0/24il-central-1ROUTE53_HEALTHCHECKS_PUBLISHING
Showing 39 of 39 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 15.177.100.0/24;
allow 15.177.102.0/24;
allow 15.177.103.0/24;
allow 15.177.104.0/24;
allow 15.177.105.0/24;
deny all;
iptables (first 5 prefixes)
iptables -A INPUT -s 15.177.100.0/24 -j ACCEPT
iptables -A INPUT -s 15.177.102.0/24 -j ACCEPT
iptables -A INPUT -s 15.177.103.0/24 -j ACCEPT
iptables -A INPUT -s 15.177.104.0/24 -j ACCEPT
iptables -A INPUT -s 15.177.105.0/24 -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 3 Nov 2026
  2. Amazon Web Services documentation