AS48951 — ASN-TSI-IAS Telekom Deutschland GmbH

AS48951 announces 9 IPv4 prefixes covering 47,616 addresses and 1 IPv6 prefixes.

About this network

ASN-TSI-IAS is operated by Telekom Deutschland GmbH.

What it's used for

• The address space carries mobile and fixed-line subscriber traffic, evidenced by netnames such as DE-DETEMOBIL-20080304 and DE-DETEMOBIL-20020910.
• The AS announces 47,616 IPv4 addresses across 11 prefixes and 30 IPv6 prefixes, while maintaining only 4 observed routing neighbours. This high address-to-neighbour ratio indicates an access network rather than a transit provider.
• Traffic from this AS consists of end-user data from Deutsche Telekom's mobile and fixed-line subscribers in Germany.

Notable

• All registrants for the announced prefixes are listed as Telekom Deutschland GmbH, with administrative contacts assigned to T-Systems Business Services GmbH.
• The address inventory is dominated by large blocks in the 93.122.0.0/18 and 82.210.224.0/19 ranges, consistent with a major national carrier's mobile and broadband estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 78.140.64.0/23
• 78.140.66.0/24
• 78.140.72.0/24
• 78.140.76.0/24
• 81.7.208.0/20
• 82.210.224.0/19
• 93.122.0.0/17
• 185.149.164.0/22
• 194.41.39.0/24
• 2a01:660::/29

Upstream networks

• AS3320 Deutsche Telekom AG
• AS2516 KDDI CORPORATION
• AS3491 PCCW Global (HK) Ltd.

Downstream networks

• AS20570 Telekom Deutschland GmbH

Adjacent networks

• AS3320 Deutsche Telekom AG
• AS20570 Telekom Deutschland GmbH
• AS2516 KDDI CORPORATION
• AS3491 PCCW Global (HK) Ltd.

Routing security

• RPKI: 34 valid, 0 invalid and 0 not-found announcements; 57 ROAs.
• ASPA: none published.
• IRR: 94% of announcements registered; 65 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-KDD, AS-KDDI6, AS-LIQUID, AS-ROSTELECOM, AS-SOVAM, AS-SOVAM-V6, AS-TSBS-V6, AS-TSI-V4, AS20570:AS-TSI, AS48951:AS-TSI.