Data as of Nov 7, 2026
209.183.32.0/19
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Recent change
New origin Aug 2026
its first announcement on record
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.183.32.0/23 since May 2006 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.34.0/23 since Oct 2005 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.36.0/23 since Mar 2010 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.37.0/24 since Sep 2008 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.38.0/23 since Mar 2010 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.40.0/23 since Sep 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.44.0/23 since Sep 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.48.0/21 since May 2005 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.48.0/22 since May 2005 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.48.0/23 since Jan 2011 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.52.0/22 since May 2005 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.56.0/23 since Sep 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | |
| 209.183.59.0/24 since Sep 2019 | AS20057 | Mobile | AT&T Enterprises, LLC |
Network & registry
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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Aug 2026
- Current origin since
- Aug 2026 · 2 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 209.
183. 32. 0/ 19 - Netname
- ATT-MOBILITY-LLC-209-183-32-0
- 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-209-183-32-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Apr 10, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 10, 2001
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN