9656 T-SYSTEMS-SG T-SYSTEMS SINGAPORE PTE LTD, SG
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS7473 SINGTEL-AS-AP Singapore Telecommunications Ltd, SG
AS134190 IPDC-AS-AP IPDC SOLUTIONS PTE LTD, SG
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6117 AS9656 ORIGIN Originate: 24832 /17.40 Transit: 0 /0.00 T-SYSTEMS-SG T-SYSTEMS SINGAPORE PTE LTD, SG
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 12208 AS9656 T-SYSTEMS-SG T-SYSTEMS SINGAPORE PTE LTD, SG 7 5 2 4 3 42.86% Prefix AS Path Aggregation Suggestion 202.56.128.0/19 4777 2497 7473 9656 202.56.128.0/19 4777 2516 3491 134190 9656 + Announce - aggregate of 202.56.128.0/20 (4777 2516 3491 134190 9656) and 202.56.144.0/20 (4777 2516 3491 134190 9656) 202.56.128.0/20 4777 2516 3491 134190 9656 - Withdrawn - aggregated with 202.56.144.0/20 (4777 2516 3491 134190 9656) 202.56.143.0/24 4777 2516 3491 134190 9656 - Withdrawn - matching aggregate 202.56.128.0/20 4777 2516 3491 134190 9656 202.56.144.0/20 4777 2516 3491 134190 9656 - Withdrawn - aggregated with 202.56.128.0/20 (4777 2516 3491 134190 9656) 202.136.0.0/20 4777 2497 7473 9656 202.136.0.0/20 4777 2516 3491 134190 9656 + Announce - aggregate of 202.136.0.0/21 (4777 2516 3491 134190 9656) and 202.136.8.0/21 (4777 2516 3491 134190 9656) 202.136.0.0/21 4777 2516 3491 134190 9656 - Withdrawn - aggregated with 202.136.8.0/21 (4777 2516 3491 134190 9656) 202.136.8.0/21 4777 2516 3491 134190 9656 - Withdrawn - aggregated with 202.136.0.0/21 (4777 2516 3491 134190 9656)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS9656 5 More Specifics 7 Total Advertisements T-SYSTEMS-SG T-SYSTEMS SINGAPORE PTE LTD, SG
202.56.128.0/20 202.56.128.0/19
202.56.143.0/24 202.56.128.0/19
202.56.144.0/20 202.56.128.0/19
202.136.0.0/21 202.136.0.0/20
202.136.8.0/21 202.136.0.0/20
whois: 402332
IANA has recorded AS9656 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS9656\n % [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to 'AS9249 - AS10239'
as-block: AS9249 - AS10239
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: 2022-09-22T22:36:45Z
source: APNIC
role: APNIC Hostmaster
address: 6 Cordelia Street
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: 2013-10-23T04:06:51Z
source: APNIC
% Information related to 'AS9656'
% Abuse contact for 'AS9656' is 'csnw@t-systems.com'
aut-num: AS9656
as-name: T-SYSTEMS-SG
descr: T-SYSTEMS SINGAPORE PTE LTD
country: SG
import: from AS3320 action pref=10; accept ANY
import: from AS7473 action pref=10; accept ANY
import: from AS10026 action pref=10; accept ANY
export: to AS3320 announce AS9656
export: to AS7473 announce AS9656
export: to AS10026 announce AS9656
export: to AS134190 announce AS9656
org: ORG-TSPL7-AP
admin-c: CM2520-AP
tech-c: DKS37-AP
abuse-c: AT1257-AP
notify: dinesh.sundararajan@t-systems.com
mnt-lower: MAINT-T-SYSTEMS
mnt-routes: MAINT-T-SYSTEMS
mnt-by: APNIC-HM
mnt-irt: IRT-T-SYSTEMS-SG
last-modified: 2020-07-29T13:14:44Z
source: APNIC
irt: IRT-T-SYSTEMS-SG
address: No 23 Tai Seng Drive
address:
address: Singapore 535224
e-mail: csnw@t-systems.com
abuse-mailbox: csnw@t-systems.com
admin-c: CM2520-AP
tech-c: DKS37-AP
auth: # Filtered
remarks: csnw@t-systems.com was validated on 2026-01-11
mnt-by: MAINT-T-SYSTEMS
last-modified: 2026-01-11T21:14:08Z
source: APNIC
organisation: ORG-TSPL7-AP
org-name: T-Systems Singapore Pte Ltd
org-type: LIR
country: SG
address: 15 Changi Business Park Crescent
address: # 06-01, Haite Building
phone: +65-6-510-6109
fax-no: +65-6-510-6299
e-mail: csnw@t-systems.com
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2023-09-05T02:14:46Z
source: APNIC
role: ABUSE TSYSTEMSSG
country: ZZ
address: No 23 Tai Seng Drive
address:
address: Singapore 535224
phone: +000000000
e-mail: csnw@t-systems.com
admin-c: CM2520-AP
tech-c: DKS37-AP
nic-hdl: AT1257-AP
remarks: Generated from irt object IRT-T-SYSTEMS-SG
remarks: csnw@t-systems.com was validated on 2026-01-11
abuse-mailbox: csnw@t-systems.com
mnt-by: APNIC-ABUSE
last-modified: 2026-01-11T21:14:22Z
source: APNIC
person: Conie Mercader
address: 23 Tai Seng Drive
address: #03-01 Deutsche Telekom Centre
address: Singapore 535224
country: SG
phone: +65-6510-6109
e-mail: conie.mercader@t-systems.com
nic-hdl: CM2520-AP
mnt-by: MAINT-T-SYSTEMS
fax-no: +65-6510-6121
last-modified: 2018-07-13T03:28:29Z
source: APNIC
person: Dinesh Kumar Sundararajan
address: 23 Tai Seng Drive
address: #03-01 Deutsche Telekom Centre
address: Singapore 535224
country: SG
phone: +65-6510-4172
e-mail: dinesh.sundararajan@t-systems.com
nic-hdl: DKS37-AP
mnt-by: MAINT-T-SYSTEMS
fax-no: +65-6510-6121
last-modified: 2018-07-13T03:27:01Z
source: APNIC
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