Data as of Nov 7, 2026
Autonomous system
AS7786
NeuStar, Inc.
Announces 7,680 addresses in 25 prefixes. None of it is anonymizer space.
Type
Business
US
Announced prefixes
| Prefix | Type | Holder | RPKI |
|---|---|---|---|
| 156.154.16.0/22 since Aug 2016 | Business | Trans Union, LLC | |
| 156.154.24.0/24 since Mar 2014 | Business | Trans Union, LLC | |
| 156.154.25.0/24 since Mar 2014 | Business | Trans Union, LLC | |
| 156.154.26.0/24 since May 2024 | Business | Trans Union, LLC | |
| 156.154.30.0/24 since May 2022 | Business | Trans Union, LLC | |
| 156.154.42.0/24 since Aug 2006 | Business | Trans Union, LLC | |
| 156.154.52.0/24 since Sep 2013 | Business | Trans Union, LLC | |
| 156.154.56.0/24 since Mar 2014 | Business | Trans Union, LLC | |
| 156.154.59.0/24 since Aug 2016 | Business | Trans Union, LLC | |
| 156.154.83.0/24 since Dec 2007 | Business | Trans Union, LLC | |
| 156.154.116.0/24 since Feb 2013 | Business | Trans Union, LLC | |
| 156.154.117.0/24 since Feb 2013 | Business | Trans Union, LLC | |
| 156.154.136.0/24 since Jul 2017 | Business | Trans Union, LLC | |
| 156.154.138.0/24 since Jun 2018 | Business | Trans Union, LLC | |
| 156.154.148.0/23 since Jun 2021 | Business | Trans Union, LLC | |
| 156.154.188.0/23 since Jun 2021 | Business | Trans Union, LLC | |
| 156.154.192.0/24 since Sep 2014 | Business | Trans Union, LLC | |
| 156.154.193.0/24 since Sep 2014 | Business | Trans Union, LLC | |
| 156.154.195.0/24 since Sep 2026 | Business | Trans Union, LLC | |
| 156.154.196.0/24 since Jun 2016 | Business | Trans Union, LLC | |
| 156.154.199.0/24 since Oct 2023 | Business | Trans Union, LLC | |
| 156.154.200.0/24 since Oct 2022 | Business | Trans Union, LLC | |
| 156.154.202.0/24 since Apr 2023 | Business | Trans Union, LLC | |
| 156.154.203.0/24 since Sep 2026 | Business | Trans Union, LLC | |
| 209.173.53.0/24 since May 2005 | Business | Trans Union, LLC |
Network & history
Profile
- Registered
- Jan 13, 1997
- Domain
- transunion.com
- Industry
- Software Development
Routing patterns
How its announcements have moved
Arrivals