MyIP (IPCheck.ing) is an open-source web IP toolbox that detects local/public IPs, runs DNS leak and WebRTC checks, speed/latency/MTR tests, availability and whois lookups.

11.8k stars1.2k forksMITlast commit Actively maintained
Public IP address lookup API that returns a client’s IPv4 or IPv6 address (JSON or plain text). Commonly used for networking diagnostics, server-side IP detection, geolocation, rate-limiting and logging.
MyIP (IPCheck.ing) is an open-source web IP toolbox that detects local/public IPs, runs DNS leak and WebRTC checks, speed/latency/MTR tests, availability and whois lookups.

11.8k stars1.2k forksMITlast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 1 of 1 shipped a commit in the last six months. Licences in this list: MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in Core Network Services (DNS, DHCP, IPAM).