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Check-Host vs RIPE Atlas: catalog facts
Check-Host	RIPE Atlas
Free The checks are used in the browser at no cost.	Free Public data is openly available; custom measurements require logging in.
Web	Web
Checks run from many locations around the world at once Covers ping, HTTP, TCP, UDP and DNS in one place	Measurements from a large global set of probes Public data through maps, streams and an API
Web service only, with no self-hosted version Page carries advertising for hosting services	Custom measurements require an account Aimed at network operators rather than casual users
Web application	Hosted service
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Needs internet	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.