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Data as of Nov 3, 2026

173.3.240.0/20

188 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
173.2.0.0/15
RPKI valid
Announced by
AS6128
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
188
4.6% of its addresses · 30 days
Always-on exits
20
11% of its exits
Spread
16 of 16
/24s with at least one exit
Providers
85
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

130K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
173.3.248.0/24520
173.3.246.0/24314
173.3.245.0/24310
173.3.247.0/24217
173.3.253.0/24216
173.3.249.0/24115
173.3.250.0/24113
173.3.244.0/2415
173.3.241.0/2415
173.3.242.0/2413
173.3.254.0/24022
173.3.252.0/24016
173.3.251.0/24013
173.3.255.0/2409
173.3.240.0/2405
173.3.243.0/2405

Proxy providers listing exits

  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • B2Proxy
  • BartProxies
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • CoreProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlashProxy
  • FlexyProxies
  • FloppyData
  • GSocks
  • GeekProxy
  • Geonix
  • Geonode
  • GhostConnect
  • GloryCloud
  • GoProxies
  • GonzoProxy
  • HideProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • Kookey
  • LemonBright
  • LemonLabs
  • LudaxProxy
  • MagneticProxy
  • MangoProxy
  • NextProxy
  • NodeMaven
  • NodeProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PrivateByte
  • Proxies.fo
  • ProxiesVision
  • Proxio
  • Proxiware
  • Proxmint
  • Proxy-Seller
  • Proxy302
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • RapidProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Shifter
  • StrikeProxy
  • SwiftProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VantageProxies
  • VitalExclusive
  • WealthProxies

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
173.2.0.0/15131,072CVISPOptimum Online (OPTO) · USDirect AllocationMay 12, 2008[email protected]
└ 173.3.240.0/204,096OOL-CPE-NWRKNJ-173-3-240-0-1-20unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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
1,774
Always-on exits
413
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