// ASN
AS19910
NEUSTAR-AS6 - NeuStar, Inc., US
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS19910
- Organization
- Trans Union, LLC
- Description
- NEUSTAR-AS6 - NeuStar, Inc., US
- Country
- US
- State / Region
- IL
- City
- Chicago
- Address
- 555 W. Adams
- Registry (RIR)
- ARIN
- Created
- 2009-01-27
- Updated
- 2026-06-30
- IPv4 Prefixes
- 0
- IPv6 Prefixes
- 0
What is AS19910?
AS19910 is an Autonomous System Number (ASN) assigned to Trans Union, LLC. An ASN identifies a network or group of IP prefixes operated under a common routing policy in the BGP protocol.
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