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.
View the full entity page →
LEI
254900BOOH55HZ1NF803
Registered name
AT&T Enterprises, LLC
Jurisdiction
Ultimate parent
AT&T INC.
549300Z40J86GGSTL398
Cluster stats
Netblocks4,371 · 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 ID217924853
RegistryBGP
Owner jurisdictionUS-DE
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 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 allocations

Domains 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)

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