% 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 '123.240.0.0 - 123.241.255.255'

% Abuse contact for '123.240.0.0 - 123.241.255.255' is 'derek.li@tbc.net.tw'

inetnum:        123.240.0.0 - 123.241.255.255
netname:        TBCOM-NET
descr:          TBC
descr:          3F,NO.10 Ta-Yieh Road, Pei-Tou District.
descr:          Taipei Taiwan 112
country:        TW
admin-c:        HS2369-AP
tech-c:         HS2369-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
notify:         hostmaster@twnic.net.tw
mnt-by:         MAINT-TW-TWNIC
mnt-lower:      MAINT-TW-TWNIC
mnt-irt:        IRT-TBCOM-TW
last-modified:  2025-11-07T01:35:47Z
source:         APNIC

irt:            IRT-TBCOM-TW
address:        TBC
address:        12F., No. 936, Sec. 4, Wenxin Rd., Beitun Dist., Taichung City 406505, Taiwan (R.O.C.)
address:        Taipei
phone:          +884-4-3506-7888 ext 4388
e-mail:         derek.li@tbc.net.tw
abuse-mailbox:  derek.li@tbc.net.tw
admin-c:        TR572-AP
tech-c:         TR572-AP
remarks:        (oid:TBCOM)
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:51:53Z
source:         APNIC
auth:           # Filtered

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         Headend SH
address:        No. 198, Shanjia, Zhunan Township, Miaoli County 350, Taiwan (R.O.C.), Taiwan
country:        TW
phone:          +886-37-288-600 Ext 6115
e-mail:         M-ENG-HE@tbc.net.tw
nic-hdl:        HS2369-AP
mnt-by:         MAINT-TW-TWNIC
last-modified:  2019-08-22T02:48:59Z
source:         APNIC

% Information related to '123.240.0.0 - 123.241.255.255'

inetnum:        123.240.0.0 - 123.241.255.255
netname:        CM-CCTV-TC-TW
descr:          TBC
descr:          12F., No. 936, Sec. 4, Wenxin Rd., Beitun Dist., Taichung City 406505 , Taiwan (R.O.C.)
descr:          Taipei Taiwan
country:        TW
admin-c:        RH61-TW
tech-c:         RH61-TW
mnt-by:         MAINT-TW-TWNIC
changed:        derek.li@tbc.net.tw 20070313
status:         ASSIGNED NON-PORTABLE
remarks:        This information has been partially mirrored by APNIC from
remarks:        TWNIC. To obtain more specific information, please use the
remarks:        TWNIC whois server at whois.twnic.net.
source:         TWNIC

% This query was served by the APNIC Whois Service version 1.88.36-SNAPSHOT (WHOIS-AU5)