Data as of Nov 10, 2026
72.151.0.0/16
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 61,440 | 94% | 2 | |
| Mobile | 4,096 | 6.3% | 16 |
Network & registry
Origin network
AS6389
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Mar 28, 1996
- Domain
- att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jul 2023
- Current origin since
- Jul 2023 · 3.3 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 72.
151. 0. 0/ 16 - Netname
- BELLSNET-BLK16
- Registrant
- AT&T Enterprises, LLC
- Organization
- AT&T Enterprises, LLC (AEL-360)
- Org address
- 208 S. Akard St., Dallas, TX, 75202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-151-0-0-1
- Parent
- NET-72-0-0-0-0
- Created
- Aug 11, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 11, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN