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Data as of Nov 7, 2026

12.138.248.0/24

191 residential-proxy exits · 30 days

Kaiser Foundation Health Plan, Inc. · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3379
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
191
75% of its addresses · 30 days
Providers
9
selling exits here
Oct 8, 2026 – Nov 6, 2026

Exits seen per day

393 observations

Proxy providers listing exits

  • AnyIP
  • ColaProxy
  • EnigmaProxy
  • FloppyData
  • NovaProxy
  • Proxiware
  • ProxyEmpire
  • Thordata
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,243
285 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,307
719 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
└ 12.138.248.0/24256KAISER-F745-248Kaiser Foundation Health Plan (C10833331) · USReassignedMay 5, 2024abuse@att.net
via ATT

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

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

AS3379

US
Name
Kaiser Foundation Health Plan, Inc.
Type
Business
Registered
Jan 6, 1994
Domain
kaiserpermanente.org
Industry
Health Care Services
Spamhaus ASN-DROP
not listed