Data as of Nov 9, 2026

206.220.240.0/20

No anonymizer space · no proxy exits in 30 days

CyrusOne LLC

Announcement

this exact prefix

No RPKI

Announced by

Type

Hosting

94% of it

Announcements

More specific

Prefix	Origin	Type	Holder	RPKI
206.220.241.0/24 since May 2021	AS46204	Unknown	CyrusOne 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
206.220.240.0/20	4,096	GRAMTEL006	CyrusOne LLC (CL-260) · US	Direct Allocation	Jan 12, 2009	abuse@cyrusone.com
└ 206.220.241.0/24	256	CYRUSONE--206-220-241-0-24	McDermott Will & Emery LLP (C07797025) · US	Reassigned	Mar 5, 2021	abuse@cyrusone.com via GRAMTEL006
└ 206.220.242.0/27	32	CYRUSONE--C0001544-206-220-242-0-27	unknown	—	—	—
└ 206.220.242.32/29	8	CYRUSONE--C0001591-206-220-242-32-29	unknown	—	—	—
└ 206.220.242.44/30	4	CYRUSONE--C0001647-206-220-242-44-30	unknown	—	—	—
└ 206.220.242.48/28	16	CYRUSONE--C0001544-206-220-242-48-28	unknown	—	—	—
└ 206.220.242.64/26	64	CYRUSONE--C0001559-206-220-242-64-26	unknown	—	—	—

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

The types across the prefix's announced space, by addresses.

Announced space

Announced space

4,096 addresses

Type	Addresses	Share	Ranges
Hosting	3,840	94%	2
Unknown	256	6.3%	1

Origin network