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Data as of Nov 3, 2026

75.7.64.0/22

No anonymizer space · no proxy exits in 30 days

IsoTropic Networks, Inc. · space held by AT&T Enterprises, LLC

Announcement
75.7.64.0/21
RPKI valid
Announced by
AS36426
Type
Internet provider

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
75.4.0.0/14
since Dec 2017
AS7018Residential1,729
184 always on
AT&T Enterprises, LLC
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
75.7.66.0/23
since Oct 10, 2026
AS36426Internet providerAT&T Enterprises, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
75.3.192.0 - 75.22.191.2551,245,184SBCIS-SBIS-6BLKAT&T Enterprises, LLC (AEL-360) · USDirect AllocationFeb 28, 2006[email protected]
└ 75.7.64.0/212,048SBC07500706400021060321122709IsoTropic Networks, Inc (C01311385) · USReassignedMar 21, 2006[email protected]
via SBCIS-SBIS-6BLK

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
Announced by

Covering announcement 75.7.64.0/21

Prefix
75.7.64.0/21
Announced by
AS36426 IsoTropic Networks, Inc.
Type
Internet provider
RPKI
RPKI valid
Netname
SBC07500706400021060321122709
Registrant
IsoTropic Networks, Inc
RIR
ARIN
IPv4 market

Holder

Holder in the market →
Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
75.3.192.0 - 75.22.191.255
Registration type
Direct Allocation
Record created
Feb 28, 2006
Origin network

AS36426

US
Name
IsoTropic Networks, Inc.
Type
Internet provider
Registered
May 13, 2010
Domain
isosat.net
Industry
Satellite Communication
Spamhaus ASN-DROP
not listed