% 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 '183.89.0.0 - 183.89.255.255'

% Abuse contact for '183.89.0.0 - 183.89.255.255' is 'ipadmin@3bbmail.com'

inetnum:        183.89.0.0 - 183.89.255.255
netname:        TRIPLETNET-TH
descr:          3BB Broadband Internet service Thailand
country:        TH
admin-c:        CW1178-AP
tech-c:         CW1178-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-TH-3BB
last-modified:  2010-08-30T07:02:15Z
source:         APNIC

person:         Ip admin
nic-hdl:        CW1178-AP
e-mail:         ipadmin@3bbmail.com
address:        200 Jasmine tower 29th floor
address:        Chaengwattana road
address:        Pakkret Nonthaburi 11120
phone:          +66-2-1008552
country:        TH
mnt-by:         MAINT-TH-3BB
last-modified:  2020-06-17T00:44:10Z
source:         APNIC

% Information related to '183.89.0.0/17AS45629'

route:          183.89.0.0/17
origin:         AS45629
descr:          Triple T Internet Company Limited
                200 Jasmine International Tower 29th floor
                Chaengwattana Road
mnt-by:         MAINT-TH-3BB
last-modified:  2020-06-12T15:20:52Z
source:         APNIC

% Information related to '183.89.0.0/17AS45758'

route:          183.89.0.0/17
origin:         AS45758
descr:          Triple T Internet Company Limited
                200 Jasmine International Tower 29th floor
                Chaengwattana Road
mnt-by:         MAINT-TH-3BB
last-modified:  2020-06-12T13:08:04Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-AU1)

Search for
IP address lookups			Miscellaneous queries
-l	1st level less specific		-i	Inverse attributes	None admin-c admin-c,tech-c,zone-c author cross-mnt cross-nfy local-as mbrs-by-ref member-of mnt-by mnt-lower mnt-nfy mnt-routes notify nserver origin person referral-by rev-srv sub-dom tech-c upd-to zone-c
-L	All less specific		-T	Object types	All as-block as-set aut-num domain filter-set inet-rtr inet6num inetnum irt key-cert mntner peering-set person role route route-set rtr-set
-m	1st level more specific
-M	All more specific		Query hints Include "AS" in front of an AS number. Example: AS4808 Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template Example: -t inetnum
-x	Exact match only
-d	Associated reverse domain