Data as of Nov 8, 2026
206.220.241.0/24
No anonymizer space · no proxy exits in 30 daysMcDermott, Will, and Emery · space held by CyrusOne LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 206.220.240.0/20 since Dec 2016 | AS62 | Hosting | CyrusOne 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.
| 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@ |
| └ 206.220.241.0/24 | 256 | CYRUSONE--206-220-241-0-24 | McDermott Will & Emery LLP (C07797025) · US | Reassigned | Mar 5, 2021 | abuse@ via GRAMTEL006 |
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
Registry
Holder
- Organization
- CyrusOne LLC
- Handle
- CL-260
- Range
- 206.
220. 240. 0/ 20 - Registration type
- Direct Allocation
- Record created
- Jan 12, 2009
Origin network
AS46204
US
- Name
- McDermott, Will, and Emery
- Type
- Business
- Registered
- May 24, 2011
- Domain
- mcdermottlaw.com
- Industry
- Law Enforcement, Public Safety, and Justice
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- May 2021 · 5.5 yr
- Origin networks
- 3
- Last change of origin
- May 2021
Recorded history
History
- Handoffs
- 2
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS46204 | RADB | CyrusOne-Proxy for Customer | MAINT-AS62 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 206.
220. 241. 0/ 24 - Netname
- CYRUSONE--206-220-241-0-24
- Registrant
- McDermott Will & Emery LLP
- Organization
- McDermott Will & Emery LLP (C07797025)
- Type
- Reassigned
- Handle
- NET-206-220-241-0-1
- Parent
- NET-206-220-240-0-1
- Created
- Mar 5, 2021
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 12, 2009
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cyrusone. com - Name
- CyrusOne Abuse POC
- Phone
- +1-866-297-8766;ext2
- Handle
- APC22-ARIN