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Data as of Nov 9, 2026

12.204.216.0/21

2 residential-proxy exits · 30 days

AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS19957
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
2
0.10% of its addresses · 30 days
Spread
2 of 8
/24s with at least one exit
Providers
8
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

164 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
12.204.218.0/2401
12.204.220.0/2401

Proxy providers listing exits

  • AnyIP
  • EnigmaProxy
  • NovaProxy
  • ProxyEmpire
  • ProxyRack
  • SPYDERPROXY_PREMIUM
  • Thordata
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.204.208.0/20
since Jun 2025
AS19957Business2AT&T Enterprises, LLC
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,281
293 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,375
726 always on
AT&T Enterprises, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
12.0.0.0/816,777,216ATTAT&T Enterprises, LLC (AEL-360) · USDirect AllocationAug 23, 1983abuse@att.net
└ 12.204.208.0/204,09612-204-208-0-20State of Tennessee-Nettn (ST-1700) · USReassignedFeb 12, 2025—

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
12.0.0.0/8
Registration type
Direct Allocation
Record created
Aug 23, 1983
Legacy
yes
Origin network

AS19957

US
Name
AT&T Enterprises, LLC
Type
Education
Registered
Mar 5, 2003
Domain
att.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed