% 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 '125.5.36.64 - 125.5.36.79'

% Abuse contact for '125.5.36.64 - 125.5.36.79' is 'abuse@vitrodc.com'

inetnum:        125.5.36.64 - 125.5.36.79
netname:        NationalKidney-PH
descr:          NATIONAL KIDNEY and TRANSPLANT INSTITUTE
descr:          East Avenue Diliman Quezon City EMVIJR
country:        PH
admin-c:        FA57-AP
tech-c:         FA57-AP
abuse-c:        AE135-AP
status:         ASSIGNED NON-PORTABLE
mnt-by:         MAINT-PH-EPLDT
mnt-irt:        IRT-EPLDT-PH
last-modified:  2021-06-30T02:48:58Z
source:         APNIC

irt:            IRT-EPLDT-PH
address:        PLDT Building , Pasig City
e-mail:         nim@vitrodc.com
abuse-mailbox:  abuse@vitrodc.com
admin-c:        RM52-AP
tech-c:         PR143-AP
auth:           # Filtered
remarks:        nim@vitrodc.com was validated on 2025-08-07
remarks:        abuse@vitrodc.com was validated on 2025-10-08
mnt-by:         MAINT-PH-EPLDT
last-modified:  2025-11-18T00:27:16Z
source:         APNIC

role:           ABUSE EPLDTPH
country:        ZZ
address:        PLDT Building , Pasig City
phone:          +000000000
e-mail:         nim@vitrodc.com
admin-c:        RM52-AP
tech-c:         PR143-AP
nic-hdl:        AE135-AP
remarks:        Generated from irt object IRT-EPLDT-PH
remarks:        nim@vitrodc.com was validated on 2025-08-07
remarks:        abuse@vitrodc.com was validated on 2025-10-08
abuse-mailbox:  abuse@vitrodc.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-08T15:18:24Z
source:         APNIC

person:         Francus Angeles
nic-hdl:        FA57-AP
e-mail:         francus.angeles@nkti.gov.ph
address:        East Avenue Diliman Quezon City EMVIJR
phone:          +63-2-924-3601
country:        PH
mnt-by:         MAINT-PH-EPLDT
last-modified:  2011-10-03T09:29:42Z
source:         APNIC

% Information related to '125.5.32.0/21AS7629'

route:          125.5.32.0/21
origin:         AS7629
descr:          VITRO Inc.
                5F L. V Locsin Bldg.  Ayala Avenue
                corner Makati Avenue
mnt-by:         MAINT-PH-EPLDT
last-modified:  2025-09-23T04:48:06Z
source:         APNIC

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