Data as of Nov 14, 2026
12.97.148.0/24
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 | 8,106 298 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,500 547 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@ |
| └ 12.97.148.0/24 | 256 | TCORP-FA459-148 | Tcorp-FA-Product to Product (TTP-167) · US | Reassigned | Mar 7, 2017 | — |
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
Origin network
AS4473
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Mar 8, 1995
- 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
- Stable
- First seen
- Mar 2017
- Current origin since
- Mar 2017 · 9.7 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 12.
97. 148. 0/ 24 - Netname
- TCORP-FA459-148
- Registrant
- Tcorp-FA-Product to Product
- Organization
- Tcorp-FA-Product to Product (TTP-167)
- Org address
- 10 S CANAL ST, CHICAGO, IL, 60606-3738
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-97-148-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Mar 7, 2017
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 23, 1983
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN