Data as of Nov 8, 2026
70.143.128.128/28
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 70.136.0.0/13 since Dec 2017 | AS7018 | Residential | 3,811 244 always on | AT&T Enterprises, LLC |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 70. | 770,048 | SBCIS-SIS80 | AT&T Enterprises, LLC (AEL-360) · US | Direct Allocation | Apr 15, 2005 | abuse@ |
| └ 70.143.128.128/28 | 16 | SBC-70-143-128-128-28-1003082211 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 70.143.128.0/19
- Prefix
- 70.143.128.0/19
- Announced by
- AS7287 AT&T Enterprises, LLC
- Type
- Mobile
- RPKI
- RPKI valid
- Netname
- SBCIS-SIS80
- Registrant
- AT&T Enterprises, LLC
- RIR
- ARIN
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
70.143.128.0/19
Routing history
- Pattern
- Stable
- First seen
- Nov 2021
- Current origin since
- Nov 2021 · 5.0 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 70.143.128.0/19 | AS7287 | /19 | ARIN | RPKI valid |
IRR
Route objects on 70.143.128.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7287 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 | Sep 28, 2026 |
Whois
Registration for this announcement
- Range
- 70.
132. 64. 0 - 70. 143. 255. 255 - Netname
- SBCIS-SIS80
- Registrant
- AT&T Enterprises, LLC
- Organization
- AT&T Enterprises, LLC (AEL-360)
- Type
- Direct Allocation
- Handle
- NET-70-132-64-0-1
- Parent
- NET-70-0-0-0-0
- Created
- Apr 15, 2005
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 15, 2005
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN