Data as of Nov 8, 2026
72.250.204.0/23
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 |
|---|---|---|---|---|---|---|
| 72. | 1,536 | CYRUSONE-NET1 | CyrusOne LLC (CL-260) · US | Direct Allocation | Sep 19, 2006 | abuse@ |
| └ 72.250.204.0/30 | 4 | CYRUSONE--C0001457-72-250-204-0-30 | unknown | — | — | — |
| └ 72.250.204.4/30 | 4 | CYRUSONE--C0001457-72-250-204-4-30 | unknown | — | — | — |
| └ 72.250.204.8/29 | 8 | CYRUSONE--72-250-204-8-29 | unknown | — | — | — |
| └ 72.250.204.16/30 | 4 | CYRUSONE--C0001573-72-250-204-16-30 | unknown | — | — | — |
| └ 72.250.204.20/30 | 4 | CYRUSONE--C0001573-72-250-204-20-30 | unknown | — | — | — |
| └ 72.250.204.24/29 | 8 | CYRUSONE--C0001457-72-250-204-24-29 | unknown | — | — | — |
| └ 72.250.204.32/27 | 32 | CYRUSONE--72-250-204-32-27 | unknown | — | — | — |
| └ 72.250.204.64/30 | 4 | CYRUSONE--C0001106-72-250-204-64-30 | unknown | — | — | — |
| └ 72.250.204.68/30 | 4 | CYRUSONE--C0001106-72-250-204-68-30 | unknown | — | — | — |
| └ 72.250.204.72/30 | 4 | CYRUSONE--200010382-72-250-204-72-30 | unknown | — | — | — |
| └ 72.250.204.76/30 | 4 | CYRUSONE--200010382-72-250-204-76-30 | unknown | — | — | — |
| └ 72.250.204.96/28 | 16 | CYRUSONE--C0000855-72-250-204-96-28 | unknown | — | — | — |
| └ 72.250.204.128/27 | 32 | NET-76-77-144-0-1 | unknown | — | — | — |
| └ 72.250.204.160/27 | 32 | NET-76-77-144-0-1 | unknown | — | — | — |
| └ 72.250.204.192/26 | 64 | NET-76-77-144-0-1 | unknown | — | — | — |
| └ 72.250.205.0/24 | 256 | CYRUSONE--0-72-250-205-0-24 | unknown | — | — | — |
Network & registry
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
- Mar 2011
- Current origin since
- Sep 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Sep 2016
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS62 | RADB | CyrusOne - Proxy for Customer | MAINT-AS62 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 72.
250. 202. 0 - 72. 250. 207. 255 - Netname
- CYRUSONE-NET1
- Registrant
- CyrusOne LLC
- Organization
- CyrusOne LLC (CL-260)
- Org address
- 1649 Frankford Rd. West, Carrollton, TX, 75007
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-72-250-202-0-2
- Parent
- NET-72-0-0-0-0
- Created
- Sep 19, 2006
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 19, 2006
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cyrusone. com - Name
- CyrusOne Abuse POC
- Phone
- +1-866-297-8766;ext2
- Handle
- APC22-ARIN