Data as of Nov 13, 2026

209.64.52.0/24

No anonymizer space · no proxy exits in 30 days

Mercury Insurance Group · space held by AT&T Enterprises, LLC

Announcement

this exact prefix

No RPKI

Announced by

Type

Business

Risk

0 / 100 · Low

Announcements

Less specific

Prefix	Origin	Type	Proxy exits	Holder	RPKI
209.64.0.0/15 since May 2005	AS7018	Residential	79 6 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
209.64.0.0/15	131,072	WORLDNET-MIS3	AT&T Enterprises, LLC (AEL-360) · US	Direct Allocation	Apr 1, 1997	abuse@att.net
└ 209.64.52.0/24	256	MERCURY636-52	Mercury Casuality Co (C10531607) · US	Reassigned	Dec 13, 2023	abuse@att.net via WORLDNET-MIS3

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

Recorded history