% 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 '103.231.240.0 - 103.231.243.255'

% Abuse contact for '103.231.240.0 - 103.231.243.255' is 'sysads@dlsu.edu.ph'

inetnum:        103.231.240.0 - 103.231.243.255
netname:        DLSU-PH
descr:          Rm. 305 Gokongwei Bldg,
descr:          ITServices Office
descr:          De La Salle University, 2401 Taft Avenue, Manila
country:        PH
org:            ORG-DLSU1-AP
admin-c:        DLSU1-AP
tech-c:         DLSU1-AP
abuse-c:        AD919-AP
status:         ASSIGNED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-routes:     MAINT-DLSU-PH
mnt-irt:        IRT-DLSU-PH
last-modified:  2020-08-11T13:08:17Z
source:         APNIC

irt:            IRT-DLSU-PH
address:        De La Salle University - Manila Rm. 305 Gokongwei Bldg,, ITServices Office, De La Salle University, 2401 Taft Avenue, Manila, Manila
e-mail:         sysads@dlsu.edu.ph
abuse-mailbox:  sysads@dlsu.edu.ph
admin-c:        DLSU1-AP
tech-c:         DLSU1-AP
auth:           # Filtered
remarks:        sysads@dlsu.edu.ph was validated on 2024-11-15
mnt-by:         MAINT-DLSU-PH
last-modified:  2024-11-15T05:10:17Z
source:         APNIC

organisation:   ORG-DLSU1-AP
org-name:       De La Salle University Incorporated
org-type:       LIR
country:        PH
address:        De La Salle University - Manila
address:        ITServices Office
address:        Rm. 305 Gokongwei Bldg
address:        De La Salle University, 2401 Taft Avenue, Manila
phone:          +6325264242
e-mail:         sysads@dlsu.edu.ph
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:20Z
source:         APNIC

role:           ABUSE DLSUPH
country:        ZZ
address:        De La Salle University - Manila Rm. 305 Gokongwei Bldg,, ITServices Office, De La Salle University, 2401 Taft Avenue, Manila, Manila
phone:          +000000000
e-mail:         sysads@dlsu.edu.ph
admin-c:        DLSU1-AP
tech-c:         DLSU1-AP
nic-hdl:        AD919-AP
remarks:        Generated from irt object IRT-DLSU-PH
remarks:        sysads@dlsu.edu.ph was validated on 2024-11-15
abuse-mailbox:  sysads@dlsu.edu.ph
mnt-by:         APNIC-ABUSE
last-modified:  2024-11-15T05:10:50Z
source:         APNIC

role:           De La Salle University administrator
address:        Rm. 305 Gokongwei Bldg,, ITServices Office, De La Salle University, 2401 Taft Avenue, Manila, Manila
country:        PH
phone:          +6325264242
fax-no:         +6325264242
e-mail:         sysads@dlsu.edu.ph
admin-c:        DLSU1-AP
tech-c:         DLSU1-AP
nic-hdl:        DLSU1-AP
mnt-by:         MAINT-DLSU-PH
last-modified:  2014-05-20T06:31:35Z
source:         APNIC

% Information related to '103.231.240.0/22AS133498'

route:          103.231.240.0/22
descr:          route object for 103.231.240.0/22
origin:         AS133498
country:        PH
mnt-lower:      MAINT-DLSU-PH
mnt-routes:     MAINT-DLSU-PH
mnt-by:         MAINT-DLSU-PH
last-modified:  2014-06-05T00:29:31Z
source:         APNIC

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