RDAP / Whois lookup

Look up authoritative registration records for a domain, IP, network prefix or ASN. Subdomains are resolved to their registrable domain automatically.

AS48951

Record foundRIPE NCC

ASN-TSI-IAS

RDAP is structured authoritative registration data. Registration records and contacts do not establish current routing, device location or network safety.

Queried at10/20/2026, 23:24:03Local authoritative snapshot

ASN profile Network topology BGP routes

Resource type: Autonomous system
Registry: RIPE NCC
Registration country / region: Not provided by registry
Registration status: Active
Registered at: 3/5/2009, 11:01:48
Last changed: 6/11/2020, 09:31:15

Resource rangeAS48951 – AS48951Autonomous system

Resource records1ASN count

Public contacts6Published by the registry

Registry events2Authoritative change record

Authoritative registration details

Registry handle: AS48951
Name: ASN-TSI-IAS
Allocation type: Not provided by registry
Parent handle: Not provided by registry
Whois server: whois.ripe.net
Authoritative RDAP host: rdap.db.ripe.net

Address and number range

Resource range: AS48951 – AS48951
Address family: Not applicable
Resource records: Not applicable

Registration entities and contacts

Only public fields from the authoritative RDAP response are shown. Roles are assigned by the registry.

6 entities

Technical

Alexander SchloesserAS8728-RIPE

+49 228 181 0

Telekom Deutschland GmbH · Landgrabenweg 149 · D-53227 Bonn · Germany

Registrant

MNT-TMDMNT-TMD

Not provided by registry

Registrant

Telekom Deutschland GmbHORG-TDG1-RIPE

+492281810+492281810

Landgrabenweg 149 · 53227 · Bonn · GERMANY

Registrant

ORG-NCC1-RIPERIPE-NCC-END-MNT

Not provided by registry

Administrative

Admin-C Role Account for T-Systems Business Services GmbHTSAC-RIPE

Not provided by registry

Maybachstr. 57 · D-70469 Stuttgart

Abuse

Abuse-C RoleAR13837-RIPE

abuse@telekom.de

Telekom Deutschland GmbH · 53227 Bonn · GERMANY

Registration and change events

2 events

Event	Time (UTC)	Actor
Last changed	6/11/2020, 09:31:15	Not provided by registry
Registration	3/5/2009, 11:01:48	Not provided by registry

Terms and remarks

Registry notices are shown verbatim so their authoritative meaning is not altered.

5 notices

Registry noticeInternet and VPN Service Provider Nauheimer Str. 101 D-70372 Stuttgart --------------------------------------------------------- For routing/peering issues, e-mail <ipls@t-systems.com> For all other issues, e-mail <CCIP@t-systems.com> each CC to <ip-address_management@t-systems.com> ------------------------ IPv6 URL: http://www.t-systems.de/

FilteredThis output has been filtered.

Whois Inaccuracy ReportingIf you see inaccuracies in the results, please visit:

SourceObjects returned came from source RIPE

Terms and ConditionsThis is the RIPE Database query service. The objects are in RDAP format.

CHA.LA authoritative RDAP snapshotIANA Bootstrap only locates the responsible registration service. Data comes from the corresponding RIR or domain registry and is cached locally by query target.Authoritative source: RIPE NCC · rdap.db.ripe.net