Checkly

Checkly publishes unauthenticated static monitoring IP feeds for API and browser checks (IPv4 and IPv6, plus by-region variants). Add them to your allowlist when monitoring endpoints behind a firewall or WAF. Lists update infrequently (~6 months).

Checkly static IPv4

Official feed

Official JSON array of all static IPv4 addresses used by Checkly monitors.

https://api.checklyhq.com/v1/static-ips
https://api.checklyhq.com/v1/static-ips-by-region
https://api.checklyhq.com/v1/static-ips.txt

Checkly static IPv6

Official feed

Official JSON array of all static IPv6 addresses. Checkly prefers IPv6 when the target supports it.

https://api.checklyhq.com/v1/static-ipv6s
https://api.checklyhq.com/v1/static-ipv6s-by-region
https://api.checklyhq.com/v1/static-ipv6s.txt

Documentation

Checkly Docs - Allowlisting traffic

Published ranges

Documentation

Related entries