Data as of Nov 8, 2026
66.128.147.0/24
No anonymizer space · no proxy exits in 30 daysCoreSite
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 |
|---|---|---|---|---|---|---|
| 66.128.144.0/20 | 4,096 | CORESITE-DIA-66 | CoreSite (COWIL) · US | Direct Allocation | Feb 26, 2004 | abuse@ |
| └ 66.128.147.8/29 | 8 | CAS-00058103 | unknown | — | — | — |
| └ 66.128.147.16/29 | 8 | CAS-02594720 | unknown | — | — | — |
| └ 66.128.147.40/29 | 8 | CAS-00101000 | unknown | — | — | — |
| └ 66.128.147.64/29 | 8 | CAS-02607233 | unknown | — | — | — |
| └ 66.128.147.80/29 | 8 | CAS-01910276 | unknown | — | — | — |
| └ 66.128.147.88/29 | 8 | CAS-02168006 | unknown | — | — | — |
| └ 66.128.147.96/29 | 8 | CAS-01948752 | unknown | — | — | — |
| └ 66.128.147.104/29 | 8 | CAS-01955127 | unknown | — | — | — |
| └ 66.128.147.112/29 | 8 | CAS-02011944 | unknown | — | — | — |
| └ 66.128.147.120/29 | 8 | CAS-02031131 | unknown | — | — | — |
| └ 66.128.147.136/29 | 8 | CAS-02051873 | unknown | — | — | — |
| └ 66.128.147.144/29 | 8 | CAS-02069693 | unknown | — | — | — |
| └ 66.128.147.152/29 | 8 | CAS-02143369 | unknown | — | — | — |
| └ 66.128.147.168/29 | 8 | CAS-02326732 | unknown | — | — | — |
| └ 66.128.147.184/29 | 8 | CAS-02653262 | unknown | — | — | — |
| └ 66.128.147.192/29 | 8 | CAS-02220050 | unknown | — | — | — |
| └ 66.128.147.216/29 | 8 | CAS-02222766 | unknown | — | — | — |
| └ 66.128.147.224/29 | 8 | CAS-02326756 | unknown | — | — | — |
| └ 66.128.147.232/29 | 8 | CAS-02408658 | unknown | — | — | — |
Network & registry
Origin network
AS2734
US
- Name
- CoreSite
- Type
- Hosting
- Registered
- Sep 1, 2009
- Domain
- coresite.com
- Website
- www.coresite.com
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2014
- Current origin since
- Feb 2014 · 13 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 66.
128. 144. 0/ 20 - Netname
- CORESITE-DIA-66
- Registrant
- CoreSite
- Organization
- CoreSite (COWIL)
- Org address
- 1001 17th St, Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-128-144-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Feb 26, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 26, 2004
- Status
- assigned
Report abuse
Abuse contact
- abuse@
coresite. com - Name
- CoreSite Abuse
- Phone
- +1-866-777-2673
- Handle
- CORES5-ARIN