Data as of Nov 10, 2026
67.86.76.0/23
No anonymizer space · no proxy exits in 30 daysCablevision Systems Corp. · space held by Optimum Online
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 67.80.0.0/13 since May 2005 | AS6128 | Residential | 12,511 2,995 always on | Optimum Online |
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 |
|---|---|---|---|---|---|---|
| 67.80.0.0/13 | 524,288 | NETBLK-OOL-4BLK | Optimum Online (OPTO) · US | Direct Allocation | Nov 9, 2001 | abuse@ |
| └ 67.86.76.0/23 | 512 | OOL-CPE-BRFDNJ-67-86-76-0-1-23 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 67.84.0.0/14
- Prefix
- 67.84.0.0/14
- Announced by
- AS6128 Cablevision Systems Corp.
- Type
- Residential
- Proxy exits
- 6,531
- Always-on exits
- 1,581
- RPKI
- RPKI valid
- Netname
- NETBLK-OOL-4BLK
- Registrant
- Optimum Online
- RIR
- ARIN
Origin network
AS6128
US
- Name
- Cablevision Systems Corp.
- Type
- Internet provider
- Domain
- cablevision.com
- Website
- www.optimum.net
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
67.84.0.0/14
Routing history
- Pattern
- Stable
- First seen
- Nov 2020
- Current origin since
- Oct 2022 · 4.1 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 67.80.0.0/13 | AS6128 | /24 | ARIN | RPKI valid |
IRR
Route objects on 67.84.0.0/14
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6128 | ARIN | 111 new south RD | MNT-OPTO | Oct 13, 2022 |
Whois
Registration for this announcement
- Range
- 67.
80. 0. 0/ 13 - Netname
- NETBLK-OOL-4BLK
- Registrant
- Optimum Online
- Organization
- Optimum Online (OPTO)
- Org address
- 111 new south RD, Hicksville, NY, 11801
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-67-80-0-0-1
- Parent
- NET-67-0-0-0-0
- Created
- Nov 9, 2001
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 9, 2001
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
alticeusa. com - Name
- OOL Hostmaster
- Phone
- +1-516-803-2300
- Handle
- OH4-ORG-ARIN