% APNIC found the following authoritative answer from: whois.apnic.net



% [whois.apnic.net]
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% Information related to '103.35.248.0 - 103.35.251.255'

% Abuse contact for '103.35.248.0 - 103.35.251.255' is 'ipreg@us.ibm.com'

inetnum:        103.35.248.0 - 103.35.251.255
netname:        IBM-SG
descr:          IBM Singapore Pte Ltd
country:        SG
org:            ORG-ISPL9-AP
admin-c:        KP35-AP
tech-c:         MM93-AP
abuse-c:        AI693-AP
status:         ALLOCATED PORTABLE
remarks:        -----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
remarks:        To report network abuse, please contact the IRT
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        For assistance, please contact the APNIC Helpdesk
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
geofeed:        https://as62597.net/ns1_geofeed.csv
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AP-IBMSG
mnt-routes:     MAINT-AP-IBMSG
mnt-irt:        IRT-IBM-SG
last-modified:  2025-08-11T06:49:17Z
source:         APNIC

irt:            IRT-IBM-SG
address:        9 Changi Business Park Central 1
address:
address:        Singapore 486048
phone:          +65 6418 9463
e-mail:         ipreg@us.ibm.com
abuse-mailbox:  ipreg@us.ibm.com
admin-c:        KP35-AP
tech-c:         MM93-AP
auth:           # Filtered
remarks:        ipreg@us.ibm.com was validated on 2025-10-03
mnt-by:         MAINT-AP-IBMSG
last-modified:  2025-11-18T00:27:58Z
source:         APNIC

organisation:   ORG-ISPL9-AP
org-name:       IBM Singapore Pte Ltd
org-type:       LIR
country:        SG
address:        The IBM Place II
address:        9 Changi Business Park II
address:        Changi Business Park Central 1
phone:          +65-6418-9463
fax-no:         +65-6587-1463
e-mail:         teokle@sg.ibm.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:48Z
source:         APNIC

role:           ABUSE IBMSG
country:        ZZ
address:        9 Changi Business Park Central 1
address:
address:        Singapore 486048
phone:          +65 6418 9463
e-mail:         ipreg@us.ibm.com
admin-c:        KP35-AP
tech-c:         MM93-AP
nic-hdl:        AI693-AP
remarks:        Generated from irt object IRT-IBM-SG
remarks:        ipreg@us.ibm.com was validated on 2025-10-03
abuse-mailbox:  ipreg@us.ibm.com
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-03T11:10:45Z
source:         APNIC

person:         Koon Boon Pang
address:        Blk 2 Kaki Bukit Ave 1
address:        #06-00
address:        Singapore 419738
country:        SG
phone:          +65-840-9094
fax-no:         +65-748-9553
e-mail:         pangkb@sg.ibm.com
nic-hdl:        KP35-AP
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:15Z
source:         APNIC

person:         Mohandas Muthusamy
address:        Blk 2 Kaki Bukit Ave 1
address:        #06-00
address:        Singapore 419738
country:        SG
phone:          +65-840-5392
fax-no:         +65-748-8809
e-mail:         mohandas@sg.ibm.com
nic-hdl:        MM93-AP
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:15Z
source:         APNIC

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