Data as of Nov 9, 2026
216.117.43.0/24
No anonymizer space · no proxy exits in 30 daysCyrusOne 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 |
|---|---|---|---|---|---|---|
| 216. | 3,072 | GRAMTEL004 | CyrusOne LLC (CL-260) · US | Direct Allocation | Feb 23, 2000 | abuse@ |
| └ 216.117.43.0/24 | 256 | COGNIZANT-BIGSKY | Cognizant BigSky (C07379600) · US | Reassigned | Jul 1, 2019 | abuse@ via GRAMTEL004 |
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
- 216.
117. 36. 0 - 216. 117. 47. 255 - Registration type
- Direct Allocation
- Record created
- Feb 23, 2000
Origin network
AS62
US
- Name
- CyrusOne LLC
- Type
- Hosting
- Registered
- Sep 28, 2012
- Domain
- cyrusone.com
- Website
- www.cyrusone.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2013
- Current origin since
- Nov 2013 · 13 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS62 | RADB | CyrusOne | MAINT-AS62 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 216.
117. 43. 0/ 24 - Netname
- COGNIZANT-BIGSKY
- Registrant
- Cognizant BigSky
- Organization
- Cognizant BigSky (C07379600)
- Type
- Reassigned
- Handle
- NET-216-117-43-0-1
- Parent
- NET-216-117-36-0-2
- Created
- Jul 1, 2019
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 23, 2000
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cyrusone. com - Name
- CyrusOne Abuse POC
- Phone
- +1-866-297-8766;ext2
- Handle
- APC22-ARIN