Data as of Nov 6, 2026
216.255.107.0/24
No anonymizer space · no proxy exits in 30 daysCablevision Systems Corp.
Announcement
this exact prefix
RPKI invalid (origin)
Announced by
Type
Residential
Risk
0 / 100 · Low
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 216.255.96.0/19 since May 2005 | AS6128 | Residential | 7 1 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 |
|---|---|---|---|---|---|---|
| 216.255.96.0/19 | 8,192 | CVNET-2 | Cablevision Systems Corp. (CVNT) · US | Direct Allocation | Mar 17, 2003 | abuse@ |
| └ 216.255.107.0/24 | 256 | CVNET-D8FF6B0 | Certpoint Systems (C02192693) · US | Reassigned | Mar 26, 2009 | abuse@ 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
- 216.
255. 96. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Mar 17, 2003
Origin network
AS19720
US
- Name
- Cablevision Systems Corp.
- Type
- Internet provider
- Registered
- Feb 7, 2001
- Domain
- cablevision.com
- Industry
- Media, Publishing, and Broadcasting
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- First seen
- Before our records
- Origin networks
- 0
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 216.255.96.0/19 | AS6128 | /24 | ARIN | Another network |
Whois
Registration for this announcement
- Range
- 216.
255. 107. 0/ 24 - Netname
- CVNET-D8FF6B0
- Registrant
- Certpoint Systems
- Organization
- Certpoint Systems (C02192693)
- Type
- Reassigned
- Handle
- NET-216-255-107-0-1
- Parent
- NET-216-255-96-0-1
- Created
- Mar 26, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 17, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
cv. net - Name
- OOL Hostmaster
- Phone
- +1-516-803-2400
- Handle
- OOLAB-ARIN