// ASN
AS12857
TDS, DE
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS12857
- Organization
- Azure Assigned Network
- Description
- TDS, DE
- Country
- DE
- Registry (RIR)
- RIPE
- Created
- 2016-12-13
- Updated
- 2025-12-30
- IPv4 Prefixes
- 1
- IPv6 Prefixes
- 1
IPv4 Prefixes
1 total194.147.133.0/24
IPv6 Prefixes
1 total2a00:b400::/29
What is AS12857?
AS12857 is an Autonomous System Number (ASN) assigned to Azure Assigned Network. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
Looking for more ASN data?
Use our ASN Lookup Tool for real-time WHOIS queries, or explore our API documentation to integrate ASN data into your applications.