Data as of Nov 8, 2026
142.255.192.0/18
No anonymizer space · no proxy exits in 30 daysCoreSite
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
- Jun 2025
- Current origin since
- Jun 2025 · 1.4 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 142.
255. 192. 0/ 18 - Netname
- COWIL
- Registrant
- CoreSite
- Organization
- CoreSite (COWIL)
- Org address
- 1001 17th St, Denver, CO, 80202
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-142-255-192-0-1
- Parent
- NET-142-0-0-0-0
- Created
- Jun 9, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 9, 2025
- Status
- assigned
Report abuse
Abuse contact
- abuse@
coresite. com - Name
- CoreSite Abuse
- Phone
- +1-866-777-2673
- Handle
- CORES5-ARIN