% 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 '110.77.192.0 - 110.77.223.255'

% Abuse contact for '110.77.192.0 - 110.77.223.255' is 'admin-thix@cat.net.th'

inetnum:        110.77.192.0 - 110.77.223.255
netname:        CAT-BB-NET
descr:          10 Fl. 72. CAT TELECOM TOWER Bangrak Bangkok Thailand
country:        TH
admin-c:        PS474-AP
tech-c:         PS474-AP
tech-c:         PD452-AP
tech-c:         CB840-AP
tech-c:         IC174-AP
abuse-c:        AC1752-AP
status:         ALLOCATED NON-PORTABLE
remarks:        Personal contact # PS474-AP WP273-AP AS1145-AP
notify:         passakorn.s@ntplc.co.th
mnt-by:         MAINT-TH-THIX-CAT
mnt-lower:      MAINT-TH-THIX-CAT
mnt-routes:     MAINT-TH-THIX-CAT
mnt-irt:        IRT-CATBB-TH
last-modified:  2023-10-02T10:16:46Z
source:         APNIC

irt:            IRT-CATBB-TH
address:        10 Fl. 72. CAT TELECOM TOWER Bangrak Bangkok Thailand
e-mail:         admin-thix@cat.net.th
abuse-mailbox:  admin-thix@cat.net.th
admin-c:        CB840-AP
tech-c:         TU38-AP
tech-c:         PS474-AP
tech-c:         WP273-AP
tech-c:         PD452-AP
tech-c:         IC174-AP
auth:           # Filtered
remarks:        admin-thix@cat.net.th was validated on 2025-01-15
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2025-01-15T04:40:28Z
source:         APNIC

role:           ABUSE CATBBTH
country:        ZZ
address:        10 Fl. 72. CAT TELECOM TOWER Bangrak Bangkok Thailand
phone:          +000000000
e-mail:         admin-thix@cat.net.th
admin-c:        CB840-AP
tech-c:         TU38-AP
tech-c:         PS474-AP
tech-c:         WP273-AP
tech-c:         PD452-AP
tech-c:         IC174-AP
nic-hdl:        AC1752-AP
remarks:        Generated from irt object IRT-CATBB-TH
remarks:        admin-thix@cat.net.th was validated on 2025-01-15
abuse-mailbox:  admin-thix@cat.net.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-15T04:40:55Z
source:         APNIC

person:         CAT Broadband
address:        10 Fl. 72. CAT TELECOM TOWER Bangrak Bangkok Thailand
country:        TH
phone:          +66-261-42138
e-mail:         nmc@cat.net.th
nic-hdl:        CB840-AP
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2018-02-07T08:56:35Z
source:         APNIC

person:         IP-network CAT Telecom
nic-hdl:        IC174-AP
e-mail:         noc@cat.net.th
address:        Data Comm. Dept. National Telecom Public Company Limited
address:        NT Tower
address:        72 Charoenkrung Road Bangrak Bangkok THAILAND 10501
phone:          +66-2-6142374
fax-no:         +66-2-6142270
country:        TH
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2022-09-05T09:44:01Z
source:         APNIC

person:         Passanon dumsood
address:        10 Fl. 72. CAT TELECOM TOWER Bangrak Bangkok Thailand
country:        TH
phone:          +66-261-42138
e-mail:         passanon.d@cat.net.th
nic-hdl:        PD452-AP
mnt-by:         MAINT-TH-THIX-CAT
last-modified:  2017-06-13T04:19:50Z
source:         APNIC

person:         Passakorn Senaliang
nic-hdl:        PS474-AP
e-mail:         pass2000@cat.net.th
address:        CAT-BB-NET
address:        10 Fl. 72. CAT TELECOM TOWER Bangrak Bangkok Thailand
phone:          +66-261-42138
fax-no:         +66-261-42682
country:        TH
mnt-by:         MAINT-NEW
last-modified:  2008-09-25T12:35:57Z
source:         APNIC

% Information related to '110.77.196.0/24AS131090'

route:          110.77.196.0/24
origin:         AS131090
descr:          CAT Telecom Public Company Limited
                13th CAT TELECOM TOWER
                NEW ROAD SRIPHRAYA BANGRAK
                BANGKOK
                THAILAND
mnt-by:         MAINT-CAT-TH
last-modified:  2024-07-30T03:37:14Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)