WHOIS
Lookup an IP or domain. Uses IANA referral first, then registry WHOIS.
### IANA response (whois.iana.org) % IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object refer: whois.apnic.net inetnum: 203.0.0.0 - 203.255.255.255 organisation: APNIC status: ALLOCATED remarks: 203.0.113.0/24 reserved for TEST-NET-3 [RFC5737]. remarks: Complete registration details for 203.0.113.0/24 are remarks: found iniana-ipv4-special-registry. whois: whois.apnic.net changed: 1993-05 source: IANA ### Registry response (whois.apnic.net) % [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '203.113.130.192 - 203.113.130.223' % Abuse contact for '203.113.130.192 - 203.113.130.223' is 'hm-changed@vnnic.vn' inetnum: 203.113.130.192 - 203.113.130.223 netname: VIENCNTTDHQG-NET country: VN descr: Information Technology Institute – Hanoi National University descr: 144 – Xuan Thuy, Cau Giay, Hanoi admin-c: VQV1-AP tech-c: VQV1-AP status: ASSIGNED NON-PORTABLE mnt-by: MAINT-VN-VIETEL last-modified: 2008-09-04T06:54:24Z source: APNIC person: Vu Quoc Viet nic-hdl: VQV1-AP e-mail: vietvq@vnn.edu.vn address: Information Technology Institute – Hanoi National University address: 144 – Xuan Thuy, Cau Giay, Hanoi. phone: +84-4-7680500 fax-no: +84-4-7681347 country: VN mnt-by: MAINT-VN-VIETEL last-modified: 2008-09-04T07:31:38Z source: APNIC % Information related to '203.113.130.0/24AS24086' route: 203.113.130.0/24 descr: VIETTEL-VN origin: AS24086 mnt-by: MAINT-VN-VIETEL last-modified: 2025-08-27T13:52:23Z source: APNIC % Information related to '203.113.130.0/24AS38731' route: 203.113.130.0/24 descr: VIETTEL-VN origin: AS38731 mnt-by: MAINT-VN-VIETEL last-modified: 2025-08-27T13:58:02Z source: APNIC % Information related to '203.113.130.0/24AS7552' route: 203.113.130.0/24 descr: VIETTEL-VN origin: AS7552 mnt-by: MAINT-VN-VIETEL last-modified: 2023-02-10T16:52:45Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)