Data as of Nov 5, 2026

12.6.16.0/24

No anonymizer space · no proxy exits in 30 days

Centersquare · space held by AT&T Enterprises, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
50 / 100 · Medium
Hosting

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
└ 12.6.16.0/24256PERFECTS532-16Perfectserve Inc (C08122974) · USReassignedDec 4, 2021abuse@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

IPv4 market

Holder

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

AS32298

US
Name
Centersquare
Type
Hosting
Registered
Apr 8, 2020
Domain
centersquaredc.com
Website
centersquaredc.com/
Spamhaus ASN-DROP
not listed