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Data as of Nov 3, 2026

148.76.224.0/19

1,222 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
this exact prefix
RPKI valid
Announced by
AS6128
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
1,222
15% of its addresses · 30 days
Spread
11 of 32
/24s with at least one exit
Providers
69
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

22K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
148.76.241.0/240213
148.76.240.0/240203
148.76.245.0/240151
148.76.247.0/240149
148.76.244.0/240139
148.76.246.0/240134
148.76.242.0/24067
148.76.226.0/24052
148.76.225.0/24043
148.76.224.0/24041
148.76.227.0/24031

Proxy providers listing exits

  • 2Captcha
  • 711Proxy
  • 9Proxy
  • Ake.net
  • AnyIP
  • BirdProxies
  • BlurPath
  • BottingTools
  • BuyingProxy
  • ByteProxies
  • Byteful
  • CatProxies
  • CliProxy
  • ColaProxy
  • DataImpulse
  • Datarama
  • Decodo
  • EZProxies
  • EnigmaProxy
  • Evomi
  • FastProxy
  • FlexyProxies
  • FloppyData
  • GeekProxy
  • Geonode
  • GhostConnect
  • GloryCloud
  • GonzoProxy
  • HideProxy
  • IPFly
  • IPOasis
  • IPPeak
  • IPRoyal
  • Infatica
  • InfiniteProxies
  • KocerRoxy
  • LemonBright
  • LudaxProxy
  • MangoProxy
  • MrScraper
  • NextProxy
  • NovProxy
  • NovaProxy
  • Novada
  • Oxylabs
  • PSBProxy
  • PrivateByte
  • Proxies.fo
  • ProxiesVision
  • Proxiware
  • Proxy-Seller
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • ProxyWing
  • Proxying
  • Proxyma
  • PuraRoute
  • RainProxy
  • ResiProxies
  • RoamProxy
  • RolaProxy
  • Thordata
  • ThunderProxy
  • TrueProxies
  • VProxy
  • VantageProxies
  • WealthProxies

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
148.76.224.0/198,192OPTOOptimum Online (OPTO) · USDirect AllocationMay 14, 2020—
└ 148.76.224.0/198,192OOL-MVNO-WHPLNY-148-76-224-0-19CSC Holdings Inc. (CSCHO) · USReallocatedOct 19, 2020—

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Optimum Online
Handle
OPTO
Range
148.76.224.0/19
Registration type
Direct Allocation
Record created
May 14, 2020
Reallocated to
CSC Holdings Inc. (CSCHO)
Reallocated
Oct 19, 2020
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