Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS9656

Announcement observedAPNIC

T-SYSTEMS-SG - T-SYSTEMS SINGAPORE PTE LTD · T-SYSTEMS-SG

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active9/30/2026, 00:39:13Snapshot expired

View network topology RDAP registration

ASN: AS9656
Registration country: Singapore
Name: T-SYSTEMS-SG - T-SYSTEMS SINGAPORE PTE LTD
Abbreviation: T-SYSTEMS-SG
Registration date: 9/4/2008, 06:40:30
Status: Announcement observed
RIR: APNIC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
202.136.0.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
202.136.0.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
202.136.8.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
202.56.128.0/19BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
202.56.128.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
202.56.143.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid
202.56.144.0/20BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/15/2026, 16:00:00	9/29/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: T-SYSTEMS-SG - T-SYSTEMS SINGAPORE PTE LTD
RIR: APNIC
Registration country: Singapore
Registration date: 9/4/2008, 06:40:30
Abuse contact: csnw@t-systems.com

Snapshot trend

9/30/2026, 00:39:137 v40 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · rir-rdap-asn · iana-rdap-asn-bootstrap