Data as of Nov 12, 2026
166.197.48.0/21
No anonymizer space · no proxy exits in 30 daysAT&T Enterprises, LLC
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 |
|---|---|---|---|---|
| 166.197.48.0/24 since Jul 2022 | AS7287 | Mobile | AT&T Enterprises, LLC | |
| 166.197.49.0/24 since Sep 2025 | AS7287 | Mobile | AT&T Enterprises, LLC | |
| 166.197.50.0/24 since Sep 2025 | AS7287 | Mobile | AT&T Enterprises, LLC | |
| 166.197.51.0/24 since Sep 2025 | AS7287 | Mobile | AT&T Enterprises, LLC | |
| 166.197.52.0/24 since Jul 2022 | AS7287 | Mobile | AT&T Enterprises, LLC | |
| 166.197.53.0/24 since Jun 2022 | AS7287 | Mobile | AT&T Enterprises, LLC | |
| 166.197.54.0/24 since Jul 2022 | AS7287 | Mobile | AT&T Enterprises, LLC | |
| 166.197.55.0/24 since Jul 2022 | AS7287 | Mobile | AT&T Enterprises, LLC |
Network & registry
Announced by
Covering announcement 166.192.0.0/13
- Prefix
- 166.192.0.0/13
- Announced by
- AS7018 AT&T Enterprises, LLC
- Type
- Residential
- Proxy exits
- 6,263
- Always-on exits
- 144
- RPKI
- RPKI valid
- Netname
- AEL-360
- 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 166.192.0.0/13
166.192.0.0/13
Routing history
- Pattern
- Stable
- First seen
- Jan 2007
- Current origin since
- Aug 2020 · 6.3 yr
- Origin networks
- 2
- Last change of origin
- Aug 2020
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 166.192.0.0/13 | AS7018 | /13 | ARIN | RPKI valid |
IRR
Route objects on 166.192.0.0/13
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS7018 | ARIN | AT&T Enterprises, LLC | MNT-AEL-360 | Sep 17, 2026 |
Whois
Registration for this announcement
- Range
- 166.
183. 0. 0 - 166. 209. 255. 255 - Netname
- AEL-360
- 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-166-183-0-0-1
- Parent
- NET-166-0-0-0-0
- Created
- Apr 1, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 1, 2025
- Status
- assigned
Report abuse
Abuse contact
- abuse@
att. net - Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN