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
APNIC Asia Pacific APNIC Whois Database
AFRINIC Africa http://www.afrinic.net/cgi-bin/whois
RIPE NCC Europe, Central Asia and the Middle East http://www.ripe.net/perl/whois
ARIN Northern America http://whois.arin.net/ui
Lacnic Latin America and the Caribbean http://lacnic.net/cgi-bin/lacnic/whois?lg=EN
 

National Internet Registries in the Asia Pacific region

APJII Indonesia Refer to APNIC Whois Database
CNNIC China Refer to APNIC Whois Database
JPNIC Japan http://whois.nic.ad.jp/cgi-bin/whois_gw
KRNIC/NIDA Korea http://whois.kisa.or.kr/eng/
TWNIC Taiwan http://www.twnic.net/
VNNIC Viet Nam Refer to APNIC Whois Database
IRINN India http://irinn.in/whoisSearchform.action