ASN-TSI-IAS

AS48951 · Internet 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> --------------------------------------------------------- · DE · RIPENCC
1
Upstream providers
0
Downstream customers
48k
v4 addresses
8
v6 /32s

Provider History

Active Possible trial (<90d) Historical

Customers (0)

No customers in current snapshot.

Network Size

IPv4 and IPv6 prefixes originated over time

28
v4 prefixes
48k
v4 addresses
10
v6 prefixes
8
v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

2026-02-18
Lost Transit
ASN-TSI-IAS AS48951 → lost provider MAGYAR-TELEKOM-MAIN-AS AS5483
Confidence: 85% Duration: 534d
2024-09-02
New Transit
ASN-TSI-IAS AS48951 → added provider LIQUID-AS AS30844
Confidence: 90%
2024-09-02
New Transit
ASN-TSI-IAS AS48951 → added provider MAGYAR-TELEKOM-MAIN-AS AS5483
Confidence: 90%
2024-09-02
New Transit
ASN-TSI-IAS AS48951 → added provider PCCWG-APAC-HK AS3491
Confidence: 90%
2024-09-02
New Transit
ASN-TSI-IAS AS48951 → added provider DTAG AS3320
Confidence: 90%
2024-09-02
New Transit
ASN-TSI-IAS AS48951 → added provider AS2516 AS2516
Confidence: 90%
2024-09-02
New Transit
ASN-TSI-IPLS AS20570 → added provider ASN-TSI-IAS AS48951
Confidence: 90%

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

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