Context about the connection, not assumptions about the person. A VPN is a reason to look, not a verdict. Each network signal arrives with its own confidence and a weight you set, so a tunnelled connection can count for a little on a marketing page and for more at checkout.
- VPNs, including tunnels over mobile data in native apps
- Datacenter proxies told apart from residential ones
- Tor exit nodes, at high confidence
- Addresses with a history of abuse