TRANS UNION INTERNATIONAL, INC.
Trans Union, LLC
Data as of 2026-08-16
GLEIF verified
Complete entity footprint
3 linked clusters ·
80 netblocks ·
44,076 IPv4 addresses ·
5 IPv6 prefixes
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
2549005B4Y338I0I3C93
Registered name
TRANS UNION INTERNATIONAL, INC.
Jurisdiction
Cluster stats
| Netblocks | 69 · 43,008 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2610:a4::/30) |
| Cluster ID | 222394111 |
| Registry | BGP |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 2549005B4Y338I0I3C93 |
| Shared handles | clustered on 22 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
8 weekly snapshots · JSON
73
+56 netblocks since 2026-07-05
2026-07-05
peak 73
2026-08-16
IP Ranges (69)
showing 50 of 69 — see all — ⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 52.129.64.0/19 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 65.201.27.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 65.204.34.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.240.0/22 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.240.0/20 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 66.175.240.0/23 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.242.0/23 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.244.0/23 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.244.0/22 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.247.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.248.0/23 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.248.0/22 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 66.175.250.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 74.121.28.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 74.121.28.0/22 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 74.121.29.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 74.121.30.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 74.121.31.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.0.0 – 156.154.33.255 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.16.0/22 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.24.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.25.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.26.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.30.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.42.0 – 156.154.52.255 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.42.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.52.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.56.0/23 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.56.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.59.0/24 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.81.0 – 156.154.83.255 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.83.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.88.0/22 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.93.0/24 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.114.0 – 156.154.117.255 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.116.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.117.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.134.0/24 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.136.0/22 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.136.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.138.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.147.0 – 156.154.149.255 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.148.0/23 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.185.0 – 156.154.189.255 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.188.0/23 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.192.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.192.0 – 156.154.203.255 | Trans Union, LLC | ARIN | DIRECT ALLOCATION | ● high |
| 156.154.193.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.196.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
| 156.154.199.0/24 | Trans Union, LLC | BGP | ANNOUNCED | ● high |
IPv6 ranges (4)
Domains hosted in this network
what's this?Corporate group (3 confirmed entities)
- Transunion Limited 8 blocks
- TransUnion Global Technology Center LLP 5 blocks
Network trust
what's this?
RPKI hygiene: F
how networks compare →
17.8%
of checked blocks have valid RPKI ROA coverage
(13 of 73)
No discrepancies found among checked blocks.
NIC Handles
AS15301
AS19353
AS32980
AS397151
AS53708
AS7786
CALDE247-ARIN
GOC10-ARIN
NETWO10022-ARIN
NETWO10022-ARIN
NETWO336-ARIN
NETWO336-ARIN
+10 more