Data as of Nov 7, 2026
99.159.176.0/20
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 99.158.0.0/15 since Dec 2017 | AS7018 | Residential | 700 107 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 |
|---|---|---|---|---|---|---|
| 99. | 1,589,248 | SBCIS-SBIS-6BLK | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Aug 29, 2007 | abuse@ |
| └ 99.159.176.0/20 | 4,096 | SBC-99-159-176-0-20-0903104234 | LS-PSL Lightspeed Support Labs (C02180341) · US | Reassigned | Mar 10, 2009 | abuse@ via SBCIS-SBIS-6BLK |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
IPv4 market
Holder
- Organization
- AT&T Enterprises, LLC
- Handle
- AEL-360
- Range
- 99.
157. 0. 0 - 99. 181. 63. 255 - Registration type
- Direct Allocation
- Record created
- Aug 29, 2007
Origin network
AS7287
US
- Name
- AT&T Enterprises, LLC
- Type
- Internet provider
- Registered
- Nov 1, 1996
- 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
- Jun 2010
- Current origin since
- Nov 2021 · 5.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2021
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 99.159.176.0/20 | AS7287 | /20 | ARIN | RPKI valid |
| 99.158.0.0/15 | AS7018 | /15 | ARIN | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7287 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 | Sep 14, 2026 |
Whois
Registration for this announcement
- Range
- 99.
159. 176. 0/ 20 - Netname
- SBC-99-159-176-0-20-0903104234
- Registrant
- LS-PSL Lightspeed Support Labs
- Organization
- LS-PSL Lightspeed Support Labs (C02180341)
- Type
- Reassigned
- Handle
- NET-99-159-176-0-1
- Parent
- NET-99-157-0-0-1
- Created
- Mar 10, 2009
- 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