World Whois Databases

The following Whois databases contain information on networks allocated IP address space. If a database does not contain the record of the IP address you are querying, the database may direct you to the correct database.

Regional Internet Registries
APNICAsia PacificAPNIC Whois Database
AFRINICAfricahttp://www.afrinic.net/cgi-bin/whois
RIPE NCCEurope, Central Asia and the Middle Easthttp://www.ripe.net/perl/whois
ARINNorthern Americahttp://whois.arin.net/ui
LacnicLatin America and the Caribbeanhttp://lacnic.net/cgi-bin/lacnic/whois?lg=EN
 

National Internet Registries in the Asia Pacific region

APJIIIndonesiaRefer to APNIC Whois Database
CNNICChinaRefer to APNIC Whois Database
JPNICJapanhttp://whois.nic.ad.jp/cgi-bin/whois_gw
KRNIC/NIDAKoreahttp://whois.kisa.or.kr/eng/
TWNICTaiwanhttp://www.twnic.net/
VNNICViet NamRefer to APNIC Whois Database
IRINNIndiaIRINN Whois Database