Data as of Nov 13, 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

Type

Residential

Risk

0 / 100 · Low

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
207.243.120.0/22 since Dec 2014	AS17064	Residential		AT&T Enterprises, LLC via BANDWIDTH.COM
207.242.0.0/15 since May 2005	AS7018	Residential	62 5 always on	AT&T Enterprises, LLC

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
207.242.0.0/15	131,072	WORLDNET-MIS	AT&T Enterprises, LLC (AEL-360) · US	Direct Allocation	Nov 1, 1996	abuse@att.net
└ 207.243.120.0/22	1,024	BANDWIDTH-NET-207-243-120-0	BANDWIDTH.COM (BANDW-867) · US	Reallocated	Aug 11, 2014	installation@bandwidth.com
└ 207.243.120.0/22	1,024	TISD	TISD (C05280227) · US	Reassigned	Sep 3, 2014	installation@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.

Routing timeline

Summary