Data as of Nov 3, 2026
65.51.200.0/24
No anonymizer space · no proxy exits in 30 daysCentrastate Medical Center, Inc. · space held by Cablevision Systems Corp.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 65.51.192.0/20 since Mar 2022 | AS54004 | Residential | 5 1 always on | Cablevision Systems Corp. | |
| 65.51.128.0/17 since Mar 2022 | AS54004 | Residential | 41 2 always on | Cablevision Systems Corp. |
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 |
|---|---|---|---|---|---|---|
| 65.51.0.0/16 | 65,536 | CVNET-2 | Cablevision Systems Corp. (CVNT) · US | Direct Allocation | Nov 5, 2007 | [email protected] |
| └ 65.51.200.0/24 | 256 | CVNET-4133C80 | Centrastate Medical (C02229021) · US | Reassigned | May 18, 2009 | [email protected] via CVNET-2 |
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
Registry
Holder
- Organization
- Cablevision Systems Corp.
- Handle
- CVNT
- Range
- 65.51.0.0/16
- Registration type
- Direct Allocation
- Record created
- Nov 5, 2007
Origin network
AS46835
US
- Name
- Centrastate Medical Center, Inc.
- Type
- Business
- Registered
- Mar 30, 2009
- Domain
- centrastate.com
- Industry
- Hospitals and Medical Centers
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Jun 2009
- Current origin since
- Jun 2009 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 65.51.200.0/24 | AS46835 | /24 | ARIN | RPKI valid |
| 65.51.192.0/20 | AS54004 | /24 | ARIN | Another network |
| 65.51.128.0/17 | AS54004 | /24 | ARIN | Another network |
| 65.51.0.0/16 | AS6128 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 65.51.200.0/24
- Netname
- CVNET-4133C80
- Registrant
- Centrastate Medical
- Organization
- Centrastate Medical (C02229021)
- Type
- Reassigned
- Handle
- NET-65-51-200-0-1
- Parent
- NET-65-51-0-0-1
- Created
- May 18, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 5, 2007
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- OOL Hostmaster
- Phone
- +1-516-803-2400
- Handle
- OOLAB-ARIN