WhatsMyConnectionGuides

Network knowledge base

Network Connection Guides

Plain-English explainers for the IP address, routing, ASN, DNS, and browser connection details WhatsMyConnection shows.

Public IP How to find your public IP

Use the homepage, curl, or JSON API to read the public IP address websites see for your request.

Routing What is an ASN?

Learn how autonomous system numbers connect IP addresses to network operators, routed prefixes, registries, and BGP-origin data.

Address families IPv4 vs IPv6

Compare address-family formats and why a dual-stack connection still reaches a page over one observed path.

Privacy Is my VPN working?

Check the visible IP, country, ASN, browser leaks, and pending DNS signals without overclaiming VPN detection.