% 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-ITIVITI-PH'

mntner:         MAINT-ITIVITI-PH
descr:          Itiviti Philippines, Inc
country:        PH
admin-c:        IPIA2-AP
upd-to:         abuse@itiviti.com
auth:           # Filtered
mnt-by:         MAINT-ITIVITI-PH
referral-by:    APNIC-HM
last-modified:  2021-06-08T05:31:34Z
source:         APNIC

role:           Itiviti Philippines Inc administrator
address:        5F, Multinational Bancorporation Centre, 6805 Ayala Ave, Manila PH 1226
country:        PH
phone:          +63-28459-4920
e-mail:         abuse@itiviti.com
admin-c:        IPIA2-AP
tech-c:         IPIA2-AP
nic-hdl:        IPIA2-AP
mnt-by:         MAINT-ITIVITI-PH
last-modified:  2021-06-08T05:31:34Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.25 (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