Data as of Nov 12, 2026
72.157.0.0/23
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 72.156.0.0/14 since Aug 2019 | AS6389 | Residential | 980 | AT&T Enterprises, LLC |
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 72.156.0.0/14 | 262,144 | BELLSNET-BLK16 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 11, 2005 | abuse@ |
| └ 72.157.0.0/23 | 512 | BLS-72-157-0-0-1001291007 | EARS Loopback 1 - MOB (C02412683) · US | Reassigned | Jan 29, 2010 | abuse@ via BELLSNET-BLK16 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 72.
156. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- Aug 11, 2005
Origin network
AS7018
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Jul 30, 1996
- Domain
- att.com
- Website
- www.att.com
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Apr 2008
- Current origin since
- Aug 2015 · 11 yr
- Origin networks
- 2
- Last change of origin
- Aug 2015
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 72.
157. 0. 0/ 23 - Netname
- BLS-72-157-0-0-1001291007
- Registrant
- EARS Loopback 1 - MOB
- Organization
- EARS Loopback 1 - MOB (C02412683)
- Type
- Reassigned
- Handle
- NET-72-157-0-0-1
- Parent
- NET-72-156-0-0-1
- Created
- Jan 29, 2010
- 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