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Data as of Nov 3, 2026

72.21.173.0/24

No anonymizer space · no proxy exits in 30 days

S3 Partners LLC · space held by EZE Castle Integration Inc.

Announcement
this exact prefix
RPKI valid
Announced by
AS29746
Type
Business
Risk
0 / 100 · Low

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
72.21.160.0/198,192EZCI-ARIN-01EZE Castle Integration Inc. (EZCI) · USDirect AllocationDec 22, 2004[email protected]
└ 72.21.173.0/24256ECIN-72-21-173-0S3 Partners, LLC (C01154516) · USReassignedAug 15, 2005[email protected]
via EZCI-ARIN-01

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
Registry

Holder

Organization
EZE Castle Integration Inc.
Handle
EZCI
Range
72.21.160.0/19
Registration type
Direct Allocation
Record created
Dec 22, 2004
Origin network

AS29746

US
Name
S3 Partners LLC
Type
Business
Registered
Nov 4, 2010
Domain
s3partners.com
Industry
Finance and Insurance
Spamhaus ASN-DROP
not listed