Data as of Nov 5, 2026
173.220.4.0/24
1 residential-proxy exit · 30 daysCablevision Systems Corp. · space held by Static IP Services
Residential-proxy exits
Proxy exits
1
0.39% of its addresses · 30 days
Oct 6, 2026 – Nov 4, 2026
Exits seen per day
1 observation
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
256 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Residential | 172 | 67% | 6 | |
| Business | 84 | 33% | 11 |
Network & registry
Announced by
Covering announcement 173.220.0.0/16
- Prefix
- 173.220.0.0/16
- Announced by
- AS6128 Cablevision Systems Corp.
- Type
- Residential
- Proxy exits
- 68
- Always-on exits
- 7
- RPKI
- RPKI valid
- Netname
- NETBLK-OOL-7BLK
- Registrant
- Static IP Services
- 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 173.220.0.0/16
173.220.0.0/16
Routing history
- Pattern
- Stable
- First seen
- Jan 2010
- Current origin since
- Jan 2010 · 17 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.220.0.0/16 | AS6128 | /25 | ARIN | RPKI valid |
IRR
Route objects on 173.220.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6128 | ARIN | 111 New South Rd | MNT-CSCHO-2 | Oct 13, 2022 |
Whois
Registration for this announcement
- Range
- 173.
220. 0. 0/ 16 - Netname
- NETBLK-OOL-7BLK
- Registrant
- Static IP Services
- Organization
- Static IP Services (CSCHO-2)
- Org address
- 111 New South Rd, Hicksville, NY, 11801
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-220-0-0-1
- Parent
- NET-173-0-0-0-0
- Created
- Dec 22, 2009
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 22, 2009
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
alticeusa. com - Name
- Static IP Services
- Phone
- +1-516-803-2300
- Handle
- SIS16-ARIN