18.188.187.146 US / United States / Columbus AS16509 / AMAZON-02 Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com) --- help --- https://4.ipwho.de --> full ipv4 info https://6.ipwho.de --> full ipv6 info https://4.ipwho.de/ip --> 1.2.3.4 https://6.ipwho.de/ip --> 2001:1234:1234::1234 --- cli --- curl 4.ipwho.de/ip --> 1.2.3.4 curl 6.ipwho.de/ip --> 2001:1234:1234::1234 curl ipwho.de/json --> {"ip":"1.2.3.4","country_code":"DE","country_name":"Germany","city_name":"Berlin","asn":"1234","as_desc":"Deutsche Telekom AG","user_agent":"curl/8.11.1"} ipwho.de proudly presented by adminForge.de. GeoLite2 data created by MaxMind.com.