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Data as of Nov 5, 2026

12.37.59.0/24

1 residential-proxy exit · 30 days

AS21861 · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS21861
Type
Business
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • EnigmaProxy

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
12.0.0.0/9AS7018Residential8,094
440 always on
AT&T Enterprises, LLC
12.0.0.0/8AS7018Residential13,299
722 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
└ 12.37.59.0/24256FOSSIL740-59FOSSIL (FOSSIL) · USReassignedSep 27, 2001—

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

AS21861

ZZ
Registered
Nov 4, 2026
Spamhaus ASN-DROP
not listed