Data as of Nov 13, 2026
216.100.136.0/22
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Risk
10 / 100 · Low
Shared address
Recent change
New origin Sep 2026
from AS7287 AT&T Enterprises, LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.100.0.0/14 since Nov 2021 | AS7018 | Residential | 891 1 always on | AT&T Enterprises, LLC |
Network & registry
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
- Jul 2022
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 216.
100. 0. 0/ 14 - Netname
- SBCIS-SIS80
- 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-216-100-0-0-1
- Parent
- NET-216-0-0-0-0
- Created
- Oct 2, 1998
- RIR
- ARIN
- Country
- US
- Delegated
- Oct 2, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN