% 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 '183.182.112.0 - 183.182.127.255'

% Abuse contact for '183.182.112.0 - 183.182.127.255' is 'quangdd3@unitel.com.la'

inetnum:        183.182.112.0 - 183.182.127.255
netname:        UNITEL-LA
descr:          PO box T511 Phonexay road - Xaysettha district
country:        LA
admin-c:        UN33-AP
tech-c:         UN33-AP
abuse-c:        AU109-AP
status:         ASSIGNED NON-PORTABLE
remarks:        Used for IPv4
notify:         huynv7@viettel.com.vn
mnt-by:         MAINT-UNITEL-LA
mnt-lower:      MAINT-UNITEL-LA
mnt-routes:     MAINT-UNITEL-LA
mnt-irt:        IRT-UNITEL-LA
last-modified:  2023-09-27T15:53:37Z
source:         APNIC

irt:            IRT-UNITEL-LA
address:        Star Telecom Company
address:        PO box T511 Phonexay Road
address:        Xaysettha district, Vientiane Capital
e-mail:         quangdd3@viettel.com.vn
abuse-mailbox:  quangdd3@unitel.com.la
admin-c:        NTG3-AP
tech-c:         NTG3-AP
auth:           # Filtered
remarks:        quangdd3@viettel.com.vn
remarks:        quangdd3@viettel.com.vn was validated on 2025-12-01
remarks:        quangdd3@unitel.com.la was validated on 2025-12-01
mnt-by:         MAINT-UNITEL-LA
last-modified:  2025-12-01T02:46:45Z
source:         APNIC

role:           ABUSE UNITELLA
country:        ZZ
address:        Star Telecom Company
address:        PO box T511 Phonexay Road
address:        Xaysettha district, Vientiane Capital
phone:          +000000000
e-mail:         quangdd3@viettel.com.vn
admin-c:        NTG3-AP
tech-c:         NTG3-AP
nic-hdl:        AU109-AP
remarks:        Generated from irt object IRT-UNITEL-LA
remarks:        quangdd3@viettel.com.vn was validated on 2025-12-01
remarks:        quangdd3@unitel.com.la was validated on 2025-12-01
abuse-mailbox:  quangdd3@unitel.com.la
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-01T02:47:16Z
source:         APNIC

person:         UNITEL NOC
address:        Nongbone road - Xaysathe district - Vientiane capital - Lao PDR
country:        LA
phone:          +856-2094122146
e-mail:         nocip@unitel.com.la
nic-hdl:        UN33-AP
mnt-by:         MAINT-UNITEL-LA
last-modified:  2023-09-27T15:53:06Z
source:         APNIC

% Information related to '183.182.121.0/24AS131267'

route:          183.182.121.0/24
origin:         AS131267
descr:          Star Telecom
                PO box T511 Phonexay road - Xaysettha district
mnt-by:         MAINT-UNITEL-LA
last-modified:  2023-02-21T12:38:21Z
source:         APNIC

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