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Data as of Nov 6, 2026

12.221.65.0/24

1 residential-proxy exit · 30 days

Henry Mayo Newhall Memorial Hospital · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS53946
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
7
selling exits here
Oct 7, 2026 – Nov 5, 2026

Exits seen per day

162 observations

Proxy providers listing exits

  • ColaProxy
  • EnigmaProxy
  • GloryCloud
  • NovaProxy
  • RapidProxy
  • Thordata
  • VantageProxies

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
12.128.0.0/9AS7018ResidentialIP broker Rackdog (part)5,202
280 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,222
713 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
└ 12.221.65.0/24256HENRY-MA319-65Henry Mayo Newhall Hospital (C11127786) · USReassignedMar 10, 2025abuse@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 historyRPKI & IRRWhois & 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

AS53946

US
Name
Henry Mayo Newhall Memorial Hospital
Type
Business
Registered
Aug 12, 2011
Domain
henrymayo.com
Industry
Hospitals and Medical Centers
Spamhaus ASN-DROP
not listed