ASN Lookup Tool

Telekom Deutschland GmbH telekom.de DE DE 40 Routes

AS Data

AS48951

AS48951Telekom Deutschland GmbH

AS Number 48951
AS Name ASN-TSI-IAS
Organization Telekom Deutschland GmbH (org-tdg1-ripe)
Country DE
Website telekom.de
Number of IPv4 Routes 28
Number of IPv6 Routes 12
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2009-03-05

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Use ASN data for AS48951 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
81.7.216.0/21 2048
93.122.56.0/22 1024
2a01:664:1900::/40 ~309×10²⁴
81.7.208.0/21 2048
93.122.64.0/22 1024
93.122.80.0/22 1024
81.7.216.0/22 1024
2a01:664::/38 ~1×10²⁷
78.140.66.0/24 256
81.7.220.0/22 1024

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS47870 - AS49384'

as-block:       AS47870 - AS49384
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2025-07-09T08:51:07Z
last-modified:  2025-07-09T08:51:07Z
source:         RIPE

% Information related to 'AS48951'

% Abuse contact for 'AS48951' is 'abuse@telekom.de'

aut-num:        AS48951
org:            ORG-TDG1-RIPE
as-name:        ASN-TSI-IAS
descr:          Internet and VPN Service Provider
descr:          Nauheimer Str. 101
descr:          D-70372 Stuttgart
descr:          ---------------------------------------------------------
descr:          For routing/peering issues, e-mail <ipls@t-systems.com>
descr:          For all other issues, e-mail <CCIP@t-systems.com>
descr:          each CC to <ip-address_management@t-systems.com>
descr:          ---------------------------------------------------------
import:         from AS3320 action pref=200; accept ANY
import:         from AS20570 action pref=100; accept AS20570
import:         from AS34009 action pref=100; accept AS34009
export:         to AS3320 announce AS48951
export:         to AS3320 announce AS20570
export:         to AS3320 announce AS34009
export:         to AS3320 announce AS-TSI-V4
export:         to AS20570 announce any
export:         to AS34009 announce any
export:         to AS-TSI-V4 announce any
remarks:        ------------------------
remarks:        IPv6
mp-import:      afi ipv6.unicast from AS3320 action pref=100; accept ANY
mp-export:      afi ipv6.unicast to AS3320 announce AS-TSBS-V6
remarks:        ------------------------
remarks:        URL: http://www.t-systems.de/
admin-c:        TSAC-RIPE
tech-c:         AS8728-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-TMD
created:        2009-03-05T11:01:48Z
last-modified:  2020-06-11T09:31:15Z
source:         RIPE

organisation:   ORG-TDG1-RIPE
org-name:       Telekom Deutschland GmbH
country:        DE
org-type:       LIR
address:        Landgrabenweg 149
address:        53227
address:        Bonn
address:        GERMANY
phone:          +492281810
fax-no:         +492281810
abuse-c:        AR13837-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-TMD
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-TMD
admin-c:        AS8728-RIPE
admin-c:        MM23866-RIPE
admin-c:        MS47198-RIPE
admin-c:        TH12429-RIPE
created:        2004-04-17T11:06:35Z
last-modified:  2025-03-04T13:32:59Z
source:         RIPE # Filtered

role:           Admin-C Role Account for T-Systems Business Services GmbH
address:        Maybachstr. 57
address:        D-70469 Stuttgart
admin-c:        UT1469-RIPE
admin-c:        NW1975-RIPE
admin-c:        SP20089-RIPE
admin-c:        RL4704-RIPE
admin-c:        JK9999-RIPE
tech-c:         TSBS-RIPE
nic-hdl:        TSAC-RIPE
mnt-by:         DE-TSBS-MNT
created:        2006-11-06T14:54:40Z
last-modified:  2021-12-09T12:56:53Z
source:         RIPE # Filtered

person:         Alexander Schloesser
address:        Telekom Deutschland GmbH
address:        Landgrabenweg 149
address:        D-53227 Bonn
address:        Germany
phone:          +49 228 181 0
mnt-by:         MNT-TMD
nic-hdl:        AS8728-RIPE
created:        2005-08-09T11:13:06Z
last-modified:  2025-03-10T08:28:56Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)

Parsed Whois Response

Peers

AS Number Description Country
AS3491 PCCW Global HK
AS34009 Cornelsen Verlag GmbH DE
AS3320 Deutsche Telekom AG DE
AS30844 Liquid Telecommunications Ltd GB
AS3491 PCCW Global HK Limited HK
AS20570 Telekom Deutschland GmbH DE
AS2516 KDDI CORPORATION JP

Upstreams

AS Number Description Country
AS3320 Deutsche Telekom AG DE
AS30844 Liquid Telecommunications Ltd GB
AS3491 PCCW Global HK Limited HK
AS2516 KDDI CORPORATION JP

Downstreams

AS Number Description Country
AS20570 Telekom Deutschland GmbH DE

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Frequently Asked Questions

ASN AS48951 is an Autonomous System Number used to identify a network for BGP internet routing.
AS48951 is listed under Telekom Deutschland GmbH.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.