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Data as of Nov 6, 2026

207.243.121.0/24

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
AS17064
Type
Residential
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
207.243.120.0/22
since Dec 2014
AS17064ResidentialAT&T Enterprises, LLC
via BANDWIDTH.COM
207.242.0.0/15
since May 2005
AS7018Residential58
5 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
207.242.0.0/15131,072WORLDNET-MISAT&T Enterprises, LLC (AEL-360) · USDirect AllocationNov 1, 1996abuse@att.net
└ 207.243.120.0/221,024BANDWIDTH-NET-207-243-120-0BANDWIDTH.COM (BANDW-867) · USReallocatedAug 11, 2014installation@bandwidth.com
└ 207.243.120.0/221,024TISDTISD (C05280227) · USReassignedSep 3, 2014installation@bandwidth.com
via BANDWIDTH-NET-207-243-120-0

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 historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
AT&T Enterprises, LLC
Handle
AEL-360
Range
207.242.0.0/15
Registration type
Direct Allocation
Record created
Nov 1, 1996
Legacy
yes
Reallocated to
BANDWIDTH.COM (BANDW-867)
Reallocated range
207.243.120.0/22
Reallocated
Aug 11, 2014
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