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Data as of Nov 6, 2026

12.20.60.0/23

No anonymizer space · no proxy exits in 30 days

Stephen Gould Corporation · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
RPKI valid
Announced by
AS36178
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
12.0.0.0/9AS7018Residential8,020
433 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
└ 12.20.60.0/23512STEPHEN49-60Stephen Gould Corporation (C10757236) · USReassignedMar 12, 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 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

AS36178

US
Name
Stephen Gould Corporation
Type
Business
Registered
Apr 28, 2010
Domain
stephengould.com
Industry
Manufacturing
Spamhaus ASN-DROP
not listed