Data as of Nov 3, 2026
166.200.0.0/14
No anonymizer spaceAT&T Enterprises, LLC
Announcement
this exact prefix
RPKI valid
Announced by
Type
Mobile
Recent change
New origin Aug 2026
from AS20057 AT&T Enterprises, LLC
Residential-proxy exits
Proxy exits
3
<0.01% of its addresses · listed by providers
Spread
2 of 1,024
/24s with at least one exit
Providers
3
selling exits here
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 166.203.163.0/24 | 0 | 2 | |
| 166.203.136.0/24 | 0 | 1 |
Proxy providers listing exits
- AnyIP
- CliProxy
- IPPeak
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 | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 166.200.0.0/16 since Aug 2007 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.1.0/24 since Nov 2015 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.4.0/24 since Jan 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.36.0/23 since Oct 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.40.0/23 since Mar 2015 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.42.0/23 since Jul 2015 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.112.0/24 since Aug 2014 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.117.0/24 since Nov 2017 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.118.0/24 since Dec 2017 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.119.0/24 since Nov 2015 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.161.0/24 since Nov 2013 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.186.0/23 since Oct 2015 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.212.0/22 since Mar 2015 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.218.0/23 since Dec 2013 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.220.0/24 since Dec 2013 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.200.232.0/22 since Jan 2017 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.0.0/16 since Aug 2007 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.23.0/24 since Jan 2014 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.32.0/20 since Aug 2016 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.176.0/21 since Jul 2017 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.184.0/22 since Jul 2017 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.188.0/22 since Apr 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.193.0/24 since Jan 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.196.0/22 since Mar 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.201.0/24 since Dec 2016 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.204.0/24 since Mar 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.206.0/23 since Jul 2014 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.208.0/22 since Nov 2014 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.215.0/24 since Feb 2015 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.220.0/22 since Feb 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.225.0/24 since Apr 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.226.0/24 since Mar 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.228.0/23 since May 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.230.0/23 since Jul 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.201.232.0/23 since Mar 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.202.0.0/16 since Sep 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.0.0/16 since Sep 2019 | AS20057 | Mobile | 3 | AT&T Enterprises, LLC | |
| 166.203.0.0/20 since Sep 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.16.0/20 since Sep 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.32.0/20 since Jan 2026 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.48.0/20 since Jul 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.64.0/20 since Jan 2020 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.80.0/20 since Jul 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.96.0/20 since Jul 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.112.0/20 since Jul 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.128.0/17 since Oct 2015 | AS20057 | Mobile | 3 | AT&T Enterprises, LLC | |
| 166.203.128.0/20 since Jun 2019 | AS20057 | Mobile | 1 | AT&T Enterprises, LLC | |
| 166.203.160.0/20 since Sep 2019 | AS20057 | Mobile | 2 | AT&T Enterprises, LLC | |
| 166.203.176.0/20 since Jan 2020 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.192.0/22 since Jun 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.196.0/22 since Apr 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.200.0/24 since Apr 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.204.0/23 since Mar 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.206.0/24 since Mar 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.208.0/20 since Nov 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.224.0/20 since Jun 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.240.0/21 since Jun 2019 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.248.0/23 since Dec 2018 | AS20057 | Mobile | AT&T Enterprises, LLC | ||
| 166.203.250.0/24 since Feb 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
- Rotating
- First seen
- Dec 2023
- Current origin since
- Aug 2026 · 2 mo
- Origin networks
- 2
- Last change of origin
- Aug 2026
Recorded history
History
- Handoffs
- 1
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
- [email protected]
- Name
- abuse
- Phone
- +1-919-319-8167
- Handle
- ABUSE7-ARIN