% APNIC found the following authoritative answer from: whois.apnic.net % [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '103.122.20.0 - 103.122.23.255' % Abuse contact for '103.122.20.0 - 103.122.23.255' is 'abuse@ctcsci.com' inetnum: 103.122.20.0 - 103.122.23.255 netname: CTCSCITECHLIMITED-HK descr: CTCSCI TECH LIMITED country: HK org: ORG-CTL14-AP admin-c: CTLA8-AP tech-c: CTLA8-AP abuse-c: AC2739-AP status: ALLOCATED PORTABLE remarks: -------------------------------------------------------- remarks: To report network abuse, please contact mnt-irt remarks: For troubleshooting, please contact tech-c and admin-c remarks: Report invalid contact via www.apnic.net/invalidcontact remarks: -------------------------------------------------------- mnt-by: APNIC-HM mnt-lower: MAINT-CTCSCITECHLIMITED-HK mnt-routes: MAINT-CTCSCITECHLIMITED-HK mnt-irt: IRT-CTCSCITECHLIMITED-HK last-modified: 2025-05-01T00:41:38Z source: APNIC irt: IRT-CTCSCITECHLIMITED-HK address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100 e-mail: admin@ctcsci.com abuse-mailbox: abuse@ctcsci.com admin-c: CTLA8-AP tech-c: CTLA8-AP auth: # Filtered remarks: abuse@ctcsci.com was validated on 2025-07-02 remarks: admin@ctcsci.com is invalid mnt-by: MAINT-CTCSCITECHLIMITED-HK last-modified: 2025-12-17T13:07:41Z source: APNIC organisation: ORG-CTL14-AP org-name: CTCSCI TECH LIMITED org-type: LIR country: HK address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong phone: +85259588341 e-mail: finance@ctcsci.com mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2025-05-08T13:15:50Z source: APNIC role: ABUSE CTCSCITECHLIMITEDHK country: ZZ address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100 phone: +000000000 e-mail: admin@ctcsci.com admin-c: CTLA8-AP tech-c: CTLA8-AP nic-hdl: AC2739-AP remarks: Generated from irt object IRT-CTCSCITECHLIMITED-HK remarks: abuse@ctcsci.com was validated on 2025-07-02 remarks: admin@ctcsci.com is invalid abuse-mailbox: abuse@ctcsci.com mnt-by: APNIC-ABUSE last-modified: 2025-12-17T13:09:33Z source: APNIC role: CTCSCI TECH LIMITED administrator address: RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong, HONG KONG PAI RD KWAI CHUNG NT 100 country: HK phone: +85266881450 e-mail: admin@ctcsci.com admin-c: CTLA8-AP tech-c: CTLA8-AP nic-hdl: CTLA8-AP mnt-by: MAINT-CTCSCITECHLIMITED-HK last-modified: 2023-09-25T15:13:59Z abuse-mailbox: abuse@ctcsci.com source: APNIC % Information related to '103.122.20.0/22AS153517' route: 103.122.20.0/22 origin: AS153517 descr: CTCSCI TECH LIMITED RM 023, 9/F BLK G KWAI SHING IND BLDG42-46 TAI LIN HONGkong mnt-by: MAINT-CTCSCITECHLIMITED-HK last-modified: 2025-05-06T03:12:27Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)