Source CIDR

HetrixTools

HetrixTools publishes a plain-text list of uptime monitor probe hostnames and IP addresses. Allowlist these so checks are not blocked by firewalls or bot protection.

Oh Dear Oh Dear monitoring probe IP JSON. updown.io updown.io monitoring node IP JSON. UptimeRobot UptimeRobot probe IP text lists. StatusCake StatusCake probe location IPs JSON.