Data as of Nov 14, 2026
74.252.160.0/20
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS19956 AT&T Enterprises, LLC, after 14.4 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 74.252.0.0/14 since Aug 2019 | AS6389 | Residential | 1,125 2 always on | 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 |
|---|---|---|---|---|---|---|
| 74. | 327,680 | BELLSNET-BLK18 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Jan 17, 2006 | abuse@ |
| └ 74.252.160.0/20 | 4,096 | 74-252-160-0-20 | State of Tennessee-Nettn (ST-1700) · US | Reassigned | Feb 12, 2025 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 74.
251. 0. 0 - 74. 255. 255. 255 - Registration type
- Direct Allocation
- Record created
- Jan 17, 2006
Origin network
AS19957
US
- Name
- AT&T Enterprises, LLC
- Type
- Education
- Registered
- Mar 5, 2003
- Domain
- 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
- Reactivated
- First seen
- Feb 2007
- Current origin since
- Aug 2026 · 3 mo
- Origin networks
- 5
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 4
Whois
Registration for this announcement
- Range
- 74.
252. 160. 0/ 20 - Netname
- 74-252-160-0-20
- Registrant
- State of Tennessee-Nettn
- Organization
- State of Tennessee-Nettn (ST-1700)
- Org address
- 333 Commerce Street, Nashville, TN, 37201
- Org country
- US
- Type
- Reassigned
- Handle
- NET-74-252-160-0-1
- Parent
- NET-74-251-0-0-1
- Created
- Feb 12, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 17, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN