// ASN
AS397151
DC2-AS - Trans Union, LLC, US
Detailed information about the Autonomous System. Need another one? Look up a different ASN.
- ASN
- AS397151
- Organization
- Trans Union, LLC
- Description
- DC2-AS - Trans Union, LLC, US
- Country
- US
- State / Region
- IL
- City
- Chicago
- Address
- 555 W. Adams
- Registry (RIR)
- ARIN
- Created
- 2009-01-27
- Updated
- 2026-03-11
- IPv4 Prefixes
- 5
- IPv6 Prefixes
- 0
IPv4 Prefixes
5 total198.47.91.0/24 207.201.214.0/24 66.175.248.0/22 66.175.248.0/23 66.175.250.0/24
What is AS397151?
AS397151 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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