% 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 '43.240.152.0 - 43.240.155.255' % Abuse contact for '43.240.152.0 - 43.240.155.255' is 'james_cheng@chief.com.tw' inetnum: 43.240.152.0 - 43.240.155.255 netname: CHIEF-TW descr: Chief Telecom Inc. descr: No. 250, Yang Guang Street, descr: NeiHu District, country: TW org: ORG-CTI1-AP admin-c: FC159-AP tech-c: CG195-AP notify: mark_lin@chief.com.tw mnt-by: MAINT-TW-TWNIC mnt-lower: MAINT-TW-UNIGATE mnt-routes: MAINT-TW-UNIGATE mnt-irt: IRT-CHIEF-TW1 status: ALLOCATED PORTABLE last-modified: 2019-09-25T02:39:46Z source: APNIC irt: IRT-CHIEF-TW1 address: Chief Telecom Inc. address: No.250, Yang Guang Street, address: Neihu District, Taipei 114, address: Taiwan, R.O.C. e-mail: barry_yeh@chief.com.tw abuse-mailbox: james_cheng@chief.com.tw admin-c: FC159-AP tech-c: CG195-AP tech-c: BY199-AP tech-c: FL753-AP tech-c: GK357-AP auth: # Filtered remarks: barry_yeh@chief.com.tw was validated on 2025-08-26 remarks: james_cheng@chief.com.tw was validated on 2026-01-14 notify: barry_yeh@chief.com.tw notify: james_cheng@chief.com.tw mnt-by: MAINT-TW-CHIEF last-modified: 2026-01-14T00:43:48Z source: APNIC organisation: ORG-CTI1-AP org-name: Chief Telecom Inc. org-type: LIR country: TW address: 2F, No. 68, Ruiguanf Rd., address: NeiHu District, phone: +886-2-2657-6688 fax-no: +886-2-2792-0087 e-mail: apnic_admin@chief.com.tw mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:14:49Z source: APNIC person: Chief Group address: Chief Telecom Inc. address: No.250, Yuang Guang Street, address: Neihu District, Taipei 114, address: Taiwan, R.O.C. country: TW phone: +886-2-2657-6688 fax-no: +886-2-2657-6460 nic-hdl: CG195-AP e-mail: felix_chou@chief.com.tw e-mail: mark_lin@chief.com.tw e-mail: apnic_admin@chief.com.tw mnt-by: MAINT-TW-CHIEF last-modified: 2012-03-12T02:12:44Z source: APNIC person: Felix Chou address: Chief Telecom Inc. address: No.250, Yang Guang Street, address: Neihu District, Taipei 114, address: Taiwan, R.O.C. country: TW phone: +886-2-2657-6688 fax-no: +886-2-2657-6460 e-mail: felix_chou@chief.com.tw nic-hdl: FC159-AP mnt-by: MAINT-TW-CHIEF abuse-mailbox: service@chief.com.tw last-modified: 2012-03-12T02:56:31Z source: APNIC % Information related to '43.240.152.0/22AS18049' route: 43.240.152.0/22 origin: AS18049 descr: Chief Telecom Inc. 2F, No. 68, Ruiguanf Rd., NeiHu District, mnt-by: MAINT-TW-UNIGATE last-modified: 2018-06-22T04:57:28Z source: APNIC % This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)