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Data as of Nov 3, 2026

166.203.136.0/24

1 residential-proxy exit · 30 days

AT&T Enterprises, LLC

Announcement
166.203.128.0/20
RPKI valid
Announced by
AS20057
Type
Mobile
Risk
10 / 100 · Low
Shared address

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
2
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

2 observations

Proxy providers listing exits

  • CliProxy
  • IPPeak

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
166.203.128.0/17
since Oct 2015
AS20057Mobile3AT&T Enterprises, LLC
166.203.0.0/16
since Sep 2019
AS20057Mobile3AT&T Enterprises, LLC
166.200.0.0/14
since Aug 2026
AS7018Residential3AT&T Enterprises, LLC

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 166.203.128.0/20

Prefix
166.203.128.0/20
Announced by
AS20057 AT&T Enterprises, LLC
Type
Mobile
Proxy exits
1
RPKI
RPKI valid
Netname
AEL-360
Registrant
AT&T Enterprises, LLC
RIR
ARIN
Origin network

AS20057

US
Name
AT&T Enterprises, LLC
Type
Internet provider
Registered
Mar 20, 2001
Domain
att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed