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Data as of Nov 5, 2026

74.88.238.0/24

3 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
74.88.0.0/15
RPKI valid
Announced by
AS6128
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
3
1.2% of its addresses · 30 days
Providers
25
selling exits here
Oct 6, 2026 – Nov 4, 2026

Exits seen per day

779 observations

Proxy providers listing exits

  • B2Proxy
  • BlurPath
  • BottingTools
  • ByteProxies
  • Byteful
  • CliProxy
  • ColaProxy
  • DataImpulse
  • EnigmaProxy
  • FastProxy
  • FlexyProxies
  • Geonode
  • IPPeak
  • LudaxProxy
  • NovProxy
  • NovaProxy
  • Proxy4U
  • ProxyEmpire
  • ProxyGeo
  • ProxyRack
  • RainProxy
  • ResiProxies
  • Thordata
  • VantageProxies
  • WealthProxies

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
74.88.0.0 - 74.90.255.255196,608NETBLK-OOL-8BLKOptimum Online (OPTO) · USDirect AllocationMar 4, 2009hostmaster@alticeusa.com
└ 74.88.224.0/204,096OOL-CPE-HCVLNY-74-88-224-0-20unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 74.88.0.0/15

Prefix
74.88.0.0/15
Announced by
AS6128 Cablevision Systems Corp.
Type
Residential
Proxy exits
2,346
Always-on exits
524
RPKI
RPKI valid
Netname
NETBLK-OOL-8BLK
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