% 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 '1.0.192.0 - 1.0.255.255'

% Abuse contact for '1.0.192.0 - 1.0.255.255' is 'abuse@totisp.net'

inetnum:        1.0.192.0 - 1.0.255.255
netname:        TOTNET
descr:          Dynamic IP Address for residential Broadband Customers
country:        TH
admin-c:        AG100-AP
tech-c:         AG100-AP
abuse-c:        AT950-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-TH-TOT
mnt-lower:      MAINT-TH-TOT
mnt-routes:     MAINT-TH-TOT
mnt-routes:     MAINT-TH-TOT-ISP
mnt-irt:        IRT-TOT-TH
last-modified:  2021-01-27T13:30:16Z
source:         APNIC

irt:            IRT-TOT-TH
address:        TOT Public Company Limited
address:        89/2 Moo 3 Chaengwattana Rd, Laksi,Bangkok 10210 THAILAND
e-mail:         apipolg@nt.ntplc.co.th
abuse-mailbox:  abuse@totisp.net
admin-c:        ira3-ap
tech-c:         ira3-ap
auth:           # Filtered
remarks:        apipolg@nt.ntplc.co.th was validated on 2025-11-17
remarks:        abuse@totisp.net is invalid
mnt-by:         MAINT-TH-TOT
last-modified:  2025-12-24T13:07:20Z
source:         APNIC

role:           ABUSE TOTTH
country:        ZZ
address:        TOT Public Company Limited
address:        89/2 Moo 3 Chaengwattana Rd, Laksi,Bangkok 10210 THAILAND
phone:          +000000000
e-mail:         apipolg@nt.ntplc.co.th
admin-c:        ira3-ap
tech-c:         ira3-ap
nic-hdl:        AT950-AP
remarks:        Generated from irt object IRT-TOT-TH
remarks:        apipolg@nt.ntplc.co.th was validated on 2025-11-17
remarks:        abuse@totisp.net is invalid
abuse-mailbox:  abuse@totisp.net
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-24T13:08:26Z
source:         APNIC

person:         Apipol Gunabhibal
nic-hdl:        AG100-AP
e-mail:         abuse@totidc.net
address:        TOT Public Company Limited
address:        89/2 Moo 3 Chaengwattana Rd, Laksi, Bangkok 10210 THAILAND
phone:          +66-2574-9178
country:        TH
mnt-by:         MAINT-TH-TOT
last-modified:  2022-08-29T04:23:40Z
source:         APNIC

% Information related to '1.0.210.0/23AS23969'

route:          1.0.210.0/23
origin:         AS23969
descr:          TOT Public Company Limited
                National Telecom Public Company Limited
                Chaengwattana Office
                89/2 Chaengwatthana Road
                Thoongsonghong
mnt-by:         MAINT-TH-TOT
last-modified:  2025-12-09T07:19:56Z
source:         APNIC

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