Hello, FYI setting the probe’s geolocation by the host is strongly encouraged. If the host doesn’t set it then it is approximated using geolocation services (maxmind) and we add a tag to the probe to signal this. Of course this is not always correct 🙂 Sometimes the hosts forget to update the location when moving houses. It is likely that some hosts deliberately set wrong locations. Geolocation in this sense is a (mostly reliable) approximation. We have means of flagging a suspected bad geolocation for individual probes in the UI, plus we are happy to collaborate with others who have reasonable, automated mechanisms to come up with lists. Please contact us if you are interested. In either case such probes enter a geolocation dispute procedure described in the documentation. I hope this helps! Robert On Mon, 7 Jul 2025 at 17:06, Ray Bellis <ray@isc.org> wrote:
In an effort to find and report probes with incorrect geolocation, I'm rather curious to find out what's special about a lake just west of Wichita (Kansas) that results in it having 11 probes in the middle of it?
I suspect some sort of very coarse location quantisation, yet the probes there are not just distributed all over the US, but I also see a probe from Madrid and another from near Ljubljana.
cheers,
Ray
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