% 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 'MAINT-KH-WICAM'

mntner:         MAINT-KH-WICAM
upd-to:         noc@wicam.com.kh
auth:           # Filtered
descr:          Maintainer object for WiCAM Corporation, Ltd
admin-c:        WN346-AP
tech-c:         NC288-AP
country:        KH
mnt-nfy:        noc@wicam.com.kh
referral-by:    APNIC-HM
mnt-by:         MAINT-KH-WICAM
last-modified:  2022-10-12T09:02:11Z
source:         APNIC

role:           WiCAM Network Operations
address:        #239 Mao Tse Tung, Phnom Penh
country:        KH
phone:          +85523726557
e-mail:         noc@wicam.com.kh
admin-c:        WN346-AP
tech-c:         TW217-AP
tech-c:         VL188-AP
nic-hdl:        NC288-AP
mnt-by:         MAINT-KH-WICAM
last-modified:  2022-10-12T09:02:12Z
source:         APNIC

person:         WICAM NOC
address:        #47, St. 271 corner St. 480, Sangkat Toul tompung 2, Khan Chamkar morn, Phnom Penh, Cambodia
country:        KH
phone:          +855 8188 8950
e-mail:         noc@wicam.com.kh
nic-hdl:        WN346-AP
mnt-by:         MAINT-KH-WICAM
last-modified:  2022-10-12T09:01:13Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU3)

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