Bulk Proxy Checker
Paste up to 500 addresses. Each one comes back with a purity score from 0 to 100 and a grade, so you can keep the clean ones and send the rest back to your vendor.
One per line, or separated by commas. Bare IPs, host:port, and user:pass@host:port all work. Credentials are stripped in your browser and never sent to us. Paste up to 500 addresses per call.
Most proxy lists arrive part dead. Checking them takes a minute and saves the hours you would otherwise spend debugging blocks.
Vendors sell in batches. Export the list in whatever format their panel gives you.
Paste up to 500 addresses. Every one comes back with a 0 to 100 purity score and a grade from S+ down to C.
Copy the clean set, and go back to the vendor with the list of dead ones before your refund window closes.
Signals
Every point removed from 100 carries a named reason, printed next to the result.
What the IP actually is: residential, mobile, datacenter, VPN exit, Tor exit or a resold residential proxy.
Whether the address sits inside a known VPN provider range or a hosting range.
Presence on open-proxy, honeypot and spam feeds we harvest.
How many separate pools resell the address and how often we have observed it. A shared IP inherits other people’s reputation.
Whether the owning network is a consumer ISP or a company that sells hosting and anonymising services.
A sighting from this week counts more than one from six months ago. Stale listings get some credit back.
FAQ
IPScanner
Teams use IPScanner to tell real users apart from masked and automated traffic.
Verdicts come with a 0 to 100 confidence score, so you tune the threshold to your own risk instead of trusting one number.
The API runs on infrastructure sized for production traffic, with a 99.9% uptime target for business-critical use.
We refresh VPN, proxy, and Tor lists continuously, so newly spun-up servers get caught quickly.
A plain REST API works with any language or framework. Most teams are live the same afternoon.
Worked examples in curl, JavaScript, and Python, plus straight notes on what each signal does and doesn't mean.
Support comes from engineers who work on IP detection every day, not a generic help desk.
The free plan covers 30,000 lookups a month, about 1,000 a day. No card, and your key is on screen as soon as you sign up.