Data as of Nov 10, 2026
173.3.4.0/22
18 residential-proxy exits · 30 daysCablevision Systems Corp. · space held by Optimum Online
Residential-proxy exits
Proxy exits
18
1.8% of its addresses · 30 days
Always-on exits
3
17% of its exits
Spread
4 of 4
/24s with at least one exit
Providers
64
selling exits here
Oct 11, 2026 – Nov 9, 2026
Exits seen per day
12K observations
/24s with the most always-on exits
| /24 | Always-on exits | Proxy exits | |
|---|---|---|---|
| 173.3.5.0/24 | 1 | 6 | |
| 173.3.6.0/24 | 1 | 5 | |
| 173.3.7.0/24 | 1 | 4 | |
| 173.3.4.0/24 | 0 | 3 |
Proxy providers listing exits
- 2Captcha
- 711Proxy
- ASHBURNPROXIES
- Ake.net
- B2Proxy
- BirdProxies
- BottingTools
- Bright Data
- ByteProxies
- Byteful
- CliProxy
- ColaProxy
- DataImpulse
- Decodo
- EZProxies
- EnigmaProxy
- Evomi
- FLEETPROXY
- FastProxy
- FlashProxy
- FloppyData
- GSocks
- Geonode
- GloryCloud
- GonzoProxy
- IPFly
- IPPeak
- IPRoyal
- Infatica
- InfiniteProxies
- KocerRoxy
- LemonBright
- LudaxProxy
- MangoProxy
- MoMoProxy
- NodeProxy
- NovProxy
- NovaProxy
- Novada
- Oxylabs
- PROXYSCRAPE
- PacketStream
- Proxiware
- Proxy-Cheap
- Proxy-Seller
- Proxy4U
- ProxyEmpire
- ProxyGeo
- ProxyRack
- ProxyWing
- Proxying
- Proxyma
- PuraRoute
- RainProxy
- RoamProxy
- RolaProxy
- SPYDERPROXY_PREMIUM
- Shifter
- Thordata
- ThunderProxy
- VantageProxies
- VitalExclusive
- YumiProxy
- ZENPROXY_LITE
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 |
|---|---|---|---|---|---|---|
| 173.2.0.0/15 | 131,072 | CVISP | Optimum Online (OPTO) · US | Direct Allocation | May 12, 2008 | hostmaster@ |
| └ 173.3.4.0/22 | 1,024 | OOL-CPE-WRWKNY-173-3-4-0-22 | unknown | — | — | — |
Network & registry
Announced by
Covering announcement 173.2.0.0/15
- Prefix
- 173.2.0.0/15
- Announced by
- AS6128 Cablevision Systems Corp.
- Type
- Residential
- Proxy exits
- 1,864
- Always-on exits
- 442
- RPKI
- RPKI valid
- Netname
- CVISP
- 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 173.2.0.0/15
173.2.0.0/15
Routing history
- Pattern
- Stable
- First seen
- May 2008
- Current origin since
- May 2008 · 18 yr
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 173.2.0.0/15 | AS6128 | /24 | ARIN | RPKI valid |
IRR
Route objects on 173.2.0.0/15
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS6128 | ARIN | 111 new south RD | MNT-OPTO | Oct 13, 2022 |
Whois
Registration for this announcement
- Range
- 173.
2. 0. 0/ 15 - Netname
- CVISP
- Registrant
- Optimum Online
- Organization
- Optimum Online (OPTO)
- Org address
- 111 new south RD, Hicksville, NY, 11801
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-173-2-0-0-1
- Parent
- NET-173-0-0-0-0
- Created
- May 12, 2008
- RIR
- ARIN
- Country
- US
- Delegated
- May 12, 2008
- Status
- assigned
Report abuse
Abuse contact
- hostmaster@
alticeusa. com - Name
- OOL Hostmaster
- Phone
- +1-516-803-2300
- Handle
- OH4-ORG-ARIN