Data as of Nov 9, 2026
209.105.243.0/24
No anonymizer space · no proxy exits in 30 dayszColo
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 209.105.224.0/19 | 8,192 | ZC38-BLOCK9 | zColo (ZGL-6) · US | Direct Allocation | Sep 6, 2011 | networking@ |
| └ 209.105.243.0/24 | 256 | NET-209-105-243-0-1 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 209.105.224.0/19
- Prefix
- 209.105.224.0/19
- Announced by
- AS13354 zColo
- Type
- Hosting
- RPKI
- No RPKI
- Netname
- ZC38-BLOCK9
- Registrant
- zColo
- RIR
- ARIN
Origin network
AS13354
US
- Name
- zColo
- Type
- Hosting
- Registered
- Mar 8, 2007
- Domain
- zcolo.com
- Website
- www.zayo.com/services/data-center-colocation/
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 209.105.224.0/19
209.105.224.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Aug 2011 · 15 yr
- Origin networks
- 2
- Last change of origin
- Aug 2011
Recorded history
History
- Handoffs
- 1
IRR
Route objects on 209.105.224.0/19
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS13354 | RADB | CoreXchange | MAINT-AS13354 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.
105. 224. 0/ 19 - Netname
- ZC38-BLOCK9
- Registrant
- zColo
- Organization
- zColo (ZGL-6)
- Org address
- 1805 29th St Suite 2050, Boulder, CO, 80301
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-209-105-224-0-1
- Parent
- NET-209-0-0-0-0
- Created
- Sep 6, 2011
- RIR
- ARIN
- Country
- US
- Delegated
- Sep 6, 2011
- Status
- assigned
Report abuse
Abuse contact
- networking@
databank. com - Name
- ZCOLO
- Phone
- +1-571-450-1165
- Handle
- ZCOLO-ARIN