AS136468 IBM Singapore Pte Ltd 🇸🇬 SG

Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes

256 (1 × /24)

IPv6 prefixes

2 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS136468
Name: IBM Singapore Pte Ltd
Organisation: IBM Singapore Pte Ltd
Country: 🇸🇬 SG
RIR: APNIC
Allocated: 2017-03-28

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.apnic.net

as-block:       AS135581 - AS136505
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2016-05-26T03:42:37Z
source:         APNIC

role:           APNIC Hostmaster
address:        PO Box 3646
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2026-08-26T00:40:00Z
source:         APNIC

aut-num:        AS136468
as-name:        IBM-SG-AP
descr:          IBM Singapore Pte Ltd
country:        SG
import:         from AS3758 action pref=100; accept ANY
import:         from AS4657 action pref=100; accept ANY
export:         to AS3758 announce AS10120
export:         to AS4657 announce AS10120
org:            ORG-ISPL9-AP
admin-c:        KP35-AP
tech-c:         MM93-AP
abuse-c:        AI693-AP
notify:         mohandas@sg.ibm.com
notify:         pangkb@sg.ibm.com
mnt-lower:      MAINT-AP-IBMSG
mnt-routes:     MAINT-AP-IBMSG
mnt-by:         APNIC-HM
mnt-irt:        IRT-IBM-SG
last-modified:  2025-08-11T06:49:18Z
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 2026-10-20
mnt-by:         MAINT-AP-IBMSG
last-modified:  2026-10-20T06:59:10Z
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 2026-10-20
abuse-mailbox:  ipreg@us.ibm.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-10-20T06:59:24Z
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

as-block:       AS135581 - AS136505
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-10-21T08:37:47Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
admin-c:        IH288-AP
tech-c:         IH288-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2026-02-25T04:06:45Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC