Data as of Nov 8, 2026

64.123.104.0/23

No anonymizer space · no proxy exits in 30 days

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

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

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
64.123.0.0/16
since May 2011
AS7018ResidentialAT&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
64.123.0.0/1665,536SBCIS-SIS80AT&T Enterprises, LLC (AEL-360) · USDirect AllocationJul 10, 2000abuse@att.net
└ 64.123.104.0/23512SBCIS-100710-155514Testengeer, Inc (C00095457) · USReassignedJul 11, 2000abuse@att.net
via SBCIS-SIS80

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
64.123.0.0/16
Registration type
Direct Allocation
Record created
Jul 10, 2000
Origin network

AS17064

US
Name
TISD, Inc.
Type
Internet provider
Registered
Jul 18, 2000
Domain
tisdinc.com
Industry
Computer and Information Technology
Spamhaus ASN-DROP
not listed