Data as of Nov 8, 2026
209.172.204.0/22
No anonymizer space · no proxy exits in 30 daysCyrusOne LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.172.192.0/19 since Dec 2016 | AS62 | Hosting | CyrusOne LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.172.204.0/24 since Oct 2016 | AS62 | Hosting | CyrusOne LLC | |
| 209.172.206.0/24 since Aug 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 |
|---|---|---|---|---|---|---|
| 209.172.192.0/19 | 8,192 | GRAMTEL002 | CyrusOne LLC (CL-260) · US | Direct Allocation | Nov 20, 1997 | abuse@ |
| └ 209.172.204.0/24 | 256 | CYRUSONE--C0000209-209-172-204-0-24 | Files Anywhere Inc (C06379962) · US | Reassigned | Mar 10, 2017 | abuse@ via GRAMTEL002 |
| └ 209.172.205.48/28 | 16 | CYRUSONE--C0000080-209-172-205-48-28 | unknown | — | — | — |
| └ 209.172.205.64/28 | 16 | CYRUSONE--C0000686-209-172-205-64-28 | unknown | — | — | — |
| └ 209.172.205.128/25 | 128 | CYRUSONE--C0000092-209-172-205-128-25 | unknown | — | — | — |
| └ 209.172.206.0/24 | 256 | CYRUSONE--C0000209-209-172-206-0-24 | Files Anywhere Inc (C06379963) · US | Reassigned | Mar 10, 2017 | abuse@ via GRAMTEL002 |
| └ 209.172.207.24/30 | 4 | CYRUSONE--C0000169-209-172-207-24-30 | unknown | — | — | — |
| └ 209.172.207.28/30 | 4 | CYRUSONE--C0000169-209-172-207-28-30 | unknown | — | — | — |
| └ 209.172.207.112/30 | 4 | CYRUSONE--C0000455-209-172-207-112-30 | unknown | — | — | — |
| └ 209.172.207.116/30 | 4 | CYRUSONE--C0000455-209-172-207-116-30 | unknown | — | — | — |
| └ 209.172.207.128/29 | 8 | CYRUSONE--C0000252-209-172-207-128-29 | unknown | — | — | — |
| └ 209.172.207.160/27 | 32 | CYRUSONE--209-172-207-160-27 | unknown | — | — | — |
| └ 209.172.207.208/29 | 8 | CYRUSONE--C0001313-209-172-207-208-29 | unknown | — | — | — |
| └ 209.172.207.216/29 | 8 | CYRUSONE--C0001313-209-172-207-216-29 | unknown | — | — | — |
| └ 209.172.207.224/28 | 16 | CYRUSONE--C0000092-209-172-207-224-28 | unknown | — | — | — |
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
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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2019
- Current origin since
- Feb 2019 · 7.7 yr
- Origin networks
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 209.172.204.0/23 | AS62 | RADB | CyrusOne - Proxy for Customer | MAINT-AS62 | Nov 13, 2023 |
| 209.172.206.0/23 | AS62 | RADB | CyrusOne - Proxy for Customer | MAINT-AS62 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
172. 192. 0/ 19 - Netname
- GRAMTEL002
- 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-209-172-192-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Nov 20, 1997
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 20, 1997
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cyrusone. com - Name
- CyrusOne Abuse POC
- Phone
- +1-866-297-8766;ext2
- Handle
- APC22-ARIN