Data as of Nov 4, 2026
12.108.158.0/24
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 12.108.158.0/23 since Sep 2013 | AS2386 | Unknown | AT&T Enterprises, LLC | ||
| 12.0.0.0/9 | AS7018 | Residential | 8,124 441 always on | AT&T Enterprises, LLC | |
| 12.0.0.0/8 | AS7018 | Residential | 13,297 724 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@ |
| └ 12.108.158.0/23 | 512 | ACC-CITY131-158 | ACC-City of Ottawa (AO-323) · US | Reassigned | Jun 6, 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
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
- Jul 2013
- Current origin since
- Jul 2013 · 13 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 12.108.158.0/24 | AS2386 | /24 | ARIN | RPKI valid |
| 12.108.158.0/23 | AS2386 | /23 | ARIN | Too specific |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS2386 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 | Sep 21, 2026 |
Whois
Registration for this announcement
- Range
- 12.
108. 158. 0/ 23 - Netname
- ACC-CITY131-158
- Registrant
- ACC-City of Ottawa
- Organization
- ACC-City of Ottawa (AO-323)
- Org address
- 101 S HICKORY NONE, OTTAWA, KS, 66067
- Org country
- US
- Type
- Reassigned
- Handle
- NET-12-108-158-0-1
- Parent
- NET-12-0-0-0-1
- Created
- Jun 6, 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