Data as of Nov 9, 2026
144.62.172.0/22
No anonymizer space · no proxy exits in 30 daysCablevision Systems Corp. · space held by 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 |
|---|---|---|---|---|---|---|
| 144.62.128.0/17 | 32,768 | OPTO | Optimum Online (OPTO) · US | Direct Allocation | Dec 21, 2020 | abuse@ |
| └ 144.62.172.0/22 | 1,024 | OOL-CPE-NYK5NY-144-62-172-0-1-22 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 144.62.128.0/17
- Prefix
- 144.62.128.0/17
- Announced by
- AS6128 Cablevision Systems Corp.
- Type
- Residential
- Proxy exits
- 325
- Always-on exits
- 80
- RPKI
- RPKI valid
- Netname
- OPTO
- 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
Who has announced 144.62.128.0/17
144.62.128.0/17
Routing history
- Pattern
- Stable
- First seen
- Nov 2012
- Current origin since
- Jan 2021 · 5.8 yr
- Origin networks
- 2
- Last change of origin
- Jan 2021
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 144.62.128.0/17 | AS6128 | /24 | ARIN | RPKI valid |
IRR
Route objects on 144.62.128.0/17
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6128 | ARIN | 111 new south RD | MNT-OPTO | Oct 13, 2022 |
Whois
Registration for this announcement
- Range
- 144.
62. 128. 0/ 17 - Netname
- OPTO
- Registrant
- Optimum Online
- Organization
- Optimum Online (OPTO)
- Org address
- 111 new south RD, Hicksville, NY, 11801
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-144-62-128-0-1
- Parent
- NET-144-0-0-0-0
- Created
- Dec 21, 2020
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 21, 2020
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN