AT&T Enterprises, LLC
Data as of 2026-08-09
GLEIF verified
Complete entity footprint
4 linked clusters ·
4,546 netblocks ·
111,014,152 IPv4 addresses ·
395 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
254900BOOH55HZ1NF803
Registered name
AT&T Enterprises, LLC
Jurisdiction
Ultimate parent
AT&T INC.
549300Z40J86GGSTL398
Cluster stats
| Netblocks | 4,371 · 110,129,664 IPv4 addresses |
| IPv6 | 391 prefixes (largest 2600:300::/24) |
| Registered in | United States (2,905) · Japan (42) · Netherlands (39) · Hong Kong (5) · Germany (2) · United Kingdom (2) |
| All fragments | 4,529 blocks across 2 clusters |
| Cluster ID | 217924853 |
| Registry | BGP |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 254900BOOH55HZ1NF803 |
| Shared handles | clustered on 69 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
7 weekly snapshots · JSON
4,529
+224 netblocks since 2026-07-05
2026-07-05
peak 4,529
2026-08-09
IP Ranges (4,371)
showing 50 of 4,371 — see all — ⬇ export CSV (free export limited to 500 rows — subscribe for the full export)| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 7.193.230.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.0.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.17.241.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.29.116.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.29.117.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.29.118.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.29.119.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.42.61.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.71.77.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.0.0/17 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.0.0/19 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.32.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.40.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.48.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.56.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.64.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.68.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.72.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.76.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.82.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.86.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.88.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.90.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.92.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.96.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.100.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.102.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.104.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.113.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.114.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.116.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.119.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.120.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.122.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.123.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.126.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.128.0/17 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.128.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.129.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.130.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.132.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.134.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.136.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.144.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.160.0/20 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.192.0/19 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.224.0/20 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.240.0/21 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.248.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.72.251.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
IPv6 ranges (391)
showing the 15 largest allocationsDomains hosted in this network
what's this?Customer-delegated space
how is this classified?
Unclassified
4,198 (96.0%)
Customer access pools
313 (7.2%)
Corporate group (4 confirmed entities)
+2 additional unconfirmed candidates not shown — full list (JSON)- AT&T Global Network Services Nederland B.V. 139 blocks
- DIRECTV, LLC 32 blocks
- AT&T Enterprises, LLC 18 blocks
Network trust
what's this?
RPKI hygiene: F
how networks compare →
13.9%
of checked blocks have valid RPKI ROA coverage
(279 of 2,000, sampled from 4,511)
No discrepancies found among checked blocks.
NIC Handles
ABUSE7-ARIN
ABUSE7-ARIN
AEL-360
AEL-360
AS12967-MNT
AS13965
AS13979
AS14654
AS16961
AS19957
AS20057
AS2386
+57 more