Data as of Nov 15, 2026
99.158.167.56/29
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Network & registry
Announced by
Covering announcement 99.158.0.0/15
- Prefix
- 99.158.0.0/15
- Announced by
- AS7018 AT&T Enterprises, LLC
- Type
- Residential
- Proxy exits
- 826
- Always-on exits
- 104
- RPKI
- RPKI valid
- Netname
- SBCIS-SBIS-6BLK
- Registrant
- AT&T Enterprises, LLC
- RIR
- ARIN
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
Who has announced 99.158.0.0/15
99.158.0.0/15
Routing history
- Pattern
- Stable
- First seen
- Dec 2017
- Current origin since
- Dec 2017 · 8.9 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 99.158.0.0/15 | AS7018 | /15 | ARIN | RPKI valid |
IRR
Route objects on 99.158.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7018 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 | Sep 14, 2026 |
Whois
Registration for this announcement
- Range
- 99.
157. 0. 0 - 99. 181. 63. 255 - Netname
- SBCIS-SBIS-6BLK
- Registrant
- AT&T Enterprises, LLC
- Organization
- AT&T Enterprises, LLC (AEL-360)
- Org address
- 208 S. Akard St., Dallas, TX, 75202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-99-157-0-0-1
- Parent
- NET-99-0-0-0-0
- Created
- Aug 29, 2007
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 29, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN