We do not run any kind of detection systems when you visit the page. What we do is reference our resproxy detection database, which has a schema like this:

{

  "ip": "175.107.211.204",

  "last_seen": "2025-06-24",

  "percent_days_seen": 14,

  "service": "ipfoxy"

}

We collect the residential proxy data continuously from independent systems; when you visit the page, we take your IP address and look it up in our database. Note the percent_day_seen field, which is frequency metadata. You can also complement it with our device count data to understand if you are on a NATed IP.

If you are on a static IP address and a single user, we flag your IP address as a residential proxy. I think you should install some DNS monitoring service and start uninstalling unnecessary apps from internet-connected devices.

— Abdullah | DevRel, IPinfo