What this site can prove today
WhatsMyConnection can show the public IP and connection metadata observed by Cloudflare for this request. It also runs a local WebRTC check with no external STUN server. DNS leak and dedicated IPv4/IPv6 browser probes stay pending until the first-party sidecar is publicly verified.
- Use the homepage to compare visible country, ASN, ISP, and edge path before and after connecting the VPN.
- Use
/api/ipfor machine-readable data you can save before and after switching networks. - Do not treat a public IP check as a definitive VPN/proxy detector. That requires approved network datasets and source labels.