Data as of Nov 5, 2026
12.37.152.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 12.0.0.0/9 | AS7018 | Residential | 8,094 440 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,299 722 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 |
|---|---|---|---|---|---|---|
| 12.0.0.0/8 | 16,777,216 | ATT | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 23, 1983 | abuse@ |
| └ 12.37.152.0/21 | 2,048 | ATTSVCM-12-37-152-0 | AT&T Services, Inc. (ATTW) · US | Reallocated | Dec 15, 2003 | — |
| └ 12.37.152.0/24 | 256 | OMNICOM-85-152 | Omnicom Group Inc (C08093031) · US | Reassigned | Nov 9, 2021 | — |
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 12.
0. 0. 0/ 8 - Registration type
- Direct Allocation
- Record created
- Aug 23, 1983
- Legacy
- yes
- Reallocated to
- AT&T Services, Inc. (ATTW)
- Reallocated range
- 12.
37. 152. 0/ 21 - Reallocated
- Dec 15, 2003
Origin network
AS2386
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Feb 3, 1993
- Domain
- att.com
- Website
- qsun.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
- Nov 2021
- Current origin since
- Nov 2021 · 4.9 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 12.
37. 152. 0/ 24 - Netname
- OMNICOM-85-152
- Registrant
- Omnicom Group Inc
- Organization
- Omnicom Group Inc (C08093031)
- Type
- Reassigned
- Handle
- NET-12-37-152-0-2
- Parent
- NET-12-37-152-0-1
- Created
- Nov 9, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- ATT Abuse
- Phone
- +1-999-999-9999
- Handle
- ATTAB-ARIN