T-Systems Singapore Pte. Ltd. — IP ranges & network footprint

Footprint over time

5 weekly snapshots · JSON

11 0 netblocks since 2026-07-05

2026-07-05 peak 11 2026-07-19

IP Ranges (11)

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CIDR	Org name	Registry	Status	Confidence
202.56.128.0/19	T-Systems Singapore Pte Ltd	BGP	ANNOUNCED	● high
202.56.128.0/20	T-Systems Singapore Pte Ltd	BGP	ANNOUNCED	● high
202.56.143.0/24	T-Systems Singapore Pte Ltd	BGP	ANNOUNCED	● high
202.56.144.0/20	T-Systems Singapore Pte Ltd	BGP	ANNOUNCED	● high
202.136.0.0/20	T-Systems Singapore Pte Ltd	BGP	ANNOUNCED	● high
202.136.0.0/21	T-Systems Singapore Pte Ltd	BGP	ANNOUNCED	● high
202.136.8.0/21	T-Systems Singapore Pte Ltd	BGP	ANNOUNCED	● high
103.79.148.0/22	T-Systems Singapore Pte Ltd	APNIC	ALLOCATED PORTABLE	● low
202.56.128.0/19	T-Systems Singapore Pte Ltd	APNIC	ALLOCATED PORTABLE	● low
202.136.0.0/20	T-Systems Singapore Pte Ltd	APNIC	ALLOCATED PORTABLE	● low
2400:1d00::/32	T-Systems Singapore Pte Ltd	APNIC	ALLOCATED PORTABLE	● low

Corporate group (5 confirmed entities)

+94,056 additional unconfirmed candidates not shown — full list (JSON)

Possibly related to this organisation

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Same name family

Separately-registered clusters whose names share “T Systems” — often per-country or per-system registrations of the same brand, occasionally a different organisation sharing the name. Not counted in this organisation's own footprint.

Combined view of all 90 name-family clusters →

Sub-allocations under carriers

IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own naming convention, not a direct registration.

GENERAL-LOGISTICS-SYSTEMS-FRANCE_I4412-00049-002 via Societe Francaise Du Radiotelephone - SFR SA sub-allocation
SOPHCO-SYSTEMS via Claranet Limited sub-allocation
Mdl Information Systems via COLT Technology Services Group Limited sub-allocation
ATISYSTEMS-1 via Cellcom Fixed Line Communication L.P sub-allocation
hawksystems via British Telecommunications Limited sub-allocation
Avco Systems Ltd via Wavenet Limited sub-allocation
SYSTEMSGUIDANCE via British Telecommunications Limited sub-allocation
COMCHECK-SYSTEMS-LTD via Claranet Limited sub-allocation

NIC Handles

APNIC-HM AS9656 AT1257-AP CM2520-AP DKS37-AP ORG-TSPL7-AP

Netblocks	11 · 38,134 IPv4 addresses
All fragments	520 blocks across 90 clusters
Cluster ID	210286380
Registry	APNIC
Owner jurisdiction	SG
Customers	find customers using this network →

Attribution	GLEIF legal-entity match
Legal identity	LEI 529900R8VXA6TE301R50
Shared handles	clustered on 6 shared RIR contact/maintainer handles
Registry names	2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works