Data as of Nov 9, 2026
209.242.120.0/21
No anonymizer space · no proxy exits in 30 daysCyrusOne LLC
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.242.64.0/18 since Dec 2016 | AS62 | Hosting | CyrusOne LLC |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 209.242.126.0/23 since Nov 2020 | 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 |
|---|---|---|---|---|---|---|
| 209.242.64.0/18 | 16,384 | GRAMTEL003 | CyrusOne LLC (CL-260) · US | Direct Allocation | Feb 23, 2000 | abuse@ |
| └ 209.242.120.0/29 | 8 | GT006-NEALGERBER-001 | unknown | — | — | — |
| └ 209.242.120.56/29 | 8 | CYRUSONE--209-242-120-56-29 | unknown | — | — | — |
| └ 209.242.120.64/30 | 4 | CYRUSONE-209-242-120-64-30 | unknown | — | — | — |
| └ 209.242.120.128/29 | 8 | GT006-ISG2-001 | unknown | — | — | — |
| └ 209.242.121.64/28 | 16 | GT006-COACHMAN-002 | unknown | — | — | — |
| └ 209.242.123.0/28 | 16 | GT006-NEALGERBER-002 | unknown | — | — | — |
| └ 209.242.123.128/26 | 64 | GT006-ISG2-002 | unknown | — | — | — |
| └ 209.242.124.0/24 | 256 | GT006-JACKSONDAWSON-006 | unknown | — | — | — |
| └ 209.242.126.0/29 | 8 | CYRUSONE--C0000245-209-242-126-0-29 | unknown | — | — | — |
| └ 209.242.126.8/29 | 8 | CYRUSONE--C0000245-209-242-126-8-29 | unknown | — | — | — |
| └ 209.242.126.16/29 | 8 | CYRUSONE--C0001305-209-242-126-16-29 | 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 2008
- Current origin since
- Dec 2016 · 9.9 yr
- Origin networks
- 2
- Last change of origin
- Dec 2016
Recorded history
History
- Handoffs
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 209.242.125.0/24 | AS26646 | RADB | PNAP-CHG travelclick routes | MAINT-AS1828 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
242. 64. 0/ 18 - Netname
- GRAMTEL003
- 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-209-242-64-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Feb 23, 2000
- 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