% 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 '61.19.0.0 - 61.19.255.255'

% Abuse contact for '61.19.0.0 - 61.19.255.255' is 'pitoon.p@ntplc.co.th'

inetnum:        61.19.0.0 - 61.19.255.255
netname:        NTPCL-TH
descr:          National Telecom Public Company Limited
country:        TH
org:            ORG-NTPC1-AP
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
abuse-c:        AN3307-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-NTPCL-TH
mnt-routes:     MAINT-NTPCL-TH
mnt-irt:        IRT-NTPCL-TH
last-modified:  2025-11-20T13:29:23Z
source:         APNIC

irt:            IRT-NTPCL-TH
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
e-mail:         pitoon.p@ntplc.co.th
abuse-mailbox:  pitoon.p@ntplc.co.th
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
auth:           # Filtered
mnt-by:         MAINT-NTPCL-TH
last-modified:  2026-01-13T05:19:48Z
source:         APNIC

organisation:   ORG-NTPC1-AP
org-name:       National Telecom Public Company Limited
org-type:       LIR
country:        TH
address:        99 Chaengwattana Road
address:        Thung Song Hong Subdistrict
address:        Luk Si
phone:          +662-104-4300
e-mail:         pitoon.p@ntplc.co.th
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-10-12T13:37:15Z
source:         APNIC

role:           ABUSE NTPCLTH
country:        ZZ
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
phone:          +000000000
e-mail:         pitoon.p@ntplc.co.th
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
nic-hdl:        AN3307-AP
remarks:        Generated from irt object IRT-NTPCL-TH
abuse-mailbox:  pitoon.p@ntplc.co.th
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-19T01:51:42Z
source:         APNIC

role:           National Telecom Public Company Limited administrator
address:        99 Chaengwattana Road, Thung Song Hong Subdistrict, Luk Si, Luksi Bangkok 10210
country:        TH
phone:          +662-104-4300
e-mail:         pitoon.p@ntplc.co.th
admin-c:        NTPC2-AP
tech-c:         NTPC2-AP
nic-hdl:        NTPC2-AP
mnt-by:         MAINT-NTPCL-TH
last-modified:  2025-11-11T23:31:26Z
source:         APNIC

% Information related to '61.19.234.0/24AS9931'

route:          61.19.234.0/24
origin:         AS9931
descr:          CAT Telecom Public Company Limited
                13th CAT TELECOM TOWER
                NEW ROAD SRIPHRAYA BANGRAK
                BANGKOK
                THAILAND
mnt-by:         MAINT-NTPCL-TH
last-modified:  2025-11-19T01:51:43Z
source:         APNIC

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