What is my IP

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www.ip.altbox.de
216.73.216.17
Default output prefers IPv4, falls back to IPv6.

Your connection

IPv4 address216.73.216.17
IPv6 addressN/A
IP versionv4
User agentMozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
Language
Referer
MethodGET
Encodinggzip, br, zstd, deflate
MIME*/*
Charset
Forwarded216.73.216.17

Command line

$ curl www.ip.altbox.de
216.73.216.17
$ curl www.ip.altbox.de/ip
216.73.216.17
$ curl www.ip.altbox.de/ip?v=4
Force IPv4 when available
$ curl www.ip.altbox.de/ip?v=6
Force IPv6 when available
$ curl www.ip.altbox.de/all
Plain text summary
$ curl www.ip.altbox.de/all.json
JSON summary
Endpoints: /ip /ua /lang /encoding /mime /charset /forwarded /all /all.json
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