% 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 '203.24.28.0 - 203.24.31.255'

% Abuse contact for '203.24.28.0 - 203.24.31.255' is 'NetAbuse@Pfizer.com'

inetnum:        203.24.28.0 - 203.24.31.255
netname:        PFIZER-SG
descr:          Pfizer Pte Ltd
country:        SG
org:            ORG-PPL1-AP
admin-c:        CW465-AP
tech-c:         CW465-AP
abuse-c:        AP918-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-SG-PFIZER
mnt-irt:        IRT-PFIZER-NON-SG
last-modified:  2023-03-07T01:16:07Z
source:         APNIC

irt:            IRT-PFIZER-NON-SG
address:        1200 Parkdale Rd
address:        Rochester, MI 48307
e-mail:         robert.azar@pfizer.com
abuse-mailbox:  NetAbuse@Pfizer.com
admin-c:        CW465-AP
tech-c:         CW465-AP
auth:           # Filtered
remarks:        netabuse@pfizer.com was validated on 2025-12-02
remarks:        robert.azar@pfizer.com was validated on 2026-01-01
mnt-by:         MAINT-SG-PFIZER
last-modified:  2026-01-01T00:29:04Z
source:         APNIC

organisation:   ORG-PPL1-AP
org-name:       Pfizer Pte Ltd
org-type:       LIR
country:        SG
address:        80 Pasir Panjang Road
address:        # 16-81/82, Mapletree Business City
address:        Pfizer Pte Ltd
phone:          +65-6403-8888
fax-no:         +6564038702
e-mail:         chee-siang.wan@pfizer.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:55Z
source:         APNIC

role:           ABUSE PFIZERNONSG
country:        ZZ
address:        1200 Parkdale Rd
address:        Rochester, MI 48307
phone:          +000000000
e-mail:         robert.azar@pfizer.com
admin-c:        CW465-AP
tech-c:         CW465-AP
nic-hdl:        AP918-AP
remarks:        Generated from irt object IRT-PFIZER-NON-SG
remarks:        netabuse@pfizer.com was validated on 2025-12-02
remarks:        robert.azar@pfizer.com was validated on 2026-01-01
abuse-mailbox:  NetAbuse@Pfizer.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-01T00:29:41Z
source:         APNIC

person:         chee-siang wan
nic-hdl:        CW465-AP
e-mail:         chee-siang.wan@pfizer.com
address:        152 Beach Road #33-08,
address:        Gateway East,
address:        Singapore 189721
phone:          +65-63113702
fax-no:         +65-63113701
country:        SG
mnt-by:         MAINT-SG-PFIZER
last-modified:  2008-09-04T07:29:20Z
source:         APNIC

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