AT&T Enterprises, LLC
GLEIF verified
Complete entity footprint
3 linked clusters ·
4,620 netblocks ·
230,112,173 IPv4 addresses
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 | 4,452 · 228,437,569 IPv4 addresses |
| Registered in | United States (2,902) · Netherlands (43) · Japan (37) · Hong Kong (5) · United Kingdom (5) · Singapore (2) |
| All fragments | 4,911 blocks across 18 clusters |
| Cluster ID | 208783543 |
| 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 57 shared RIR contact/maintainer handles |
| Registry names | 6 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
4,527
+222 netblocks since 2026-07-05
2026-07-05
peak 4,527
2026-07-19
IP Ranges (4,452)
showing 50 of 4,452 — 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 |
| 12.0.0.0/9 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.0.0/8 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.224.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.225.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.226.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.227.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.228.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.229.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.230.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.0.231.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.3.167.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.4.26.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.4.27.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.6.136.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.8.110.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.13.10.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.13.54.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.13.54.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.13.233.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.14.12.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.14.14.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.14.147.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.17.241.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.17.245.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.18.20.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.20.159.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.20.178.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.22.96.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.28.131.0/24 | 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 |
| 12.29.167.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.29.196.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.29.197.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.30.10.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.30.249.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.31.223.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.32.224.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.35.54.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.37.13.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.37.100.0/23 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.37.132.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.37.152.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.38.168.0/22 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.39.169.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
| 12.40.117.0/24 | AT&T Enterprises, LLC | BGP | ANNOUNCED | ● high |
Domains hosted in this network
what's this?Customer-delegated space
how is this classified?
Unclassified
4,120 (92.5%)
Customer access pools
298 (6.7%)
Operator infrastructure (named)
34 (0.8%)
Corporate group (3 confirmed entities)
+2 additional unconfirmed candidates not shown — full list (JSON)- AT&T Global Network Services Nederland B.V. 139 blocks
- DIRECTV, LLC 29 blocks
Network trust
what's this?
RPKI hygiene: F
how networks compare →
16.6%
of checked blocks have valid RPKI ROA coverage
(331 of 2,000, sampled from 4,452)
Possible discrepancies (1)
These blocks are registered to AT&T Enterprises, LLC but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 162.244.208.0/24 /24 | authorized for AS2914 — NTT America, Inc. |
NIC Handles
ABUSE7-ARIN
AEL-360
AS12967-MNT
AS13965
AS13979
AS14654
AS16961
AS19957
AS20057
AS2386
AS25993
AS2685
+45 more