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Data as of Nov 3, 2026

74.90.56.0/23

7 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
74.90.0.0/16
RPKI valid
Announced by
AS6128
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
7
1.4% of its addresses · 30 days
Always-on exits
1
14% of its exits
Spread
2 of 2
/24s with at least one exit
Providers
17
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

2.0K observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
74.90.56.0/2416
74.90.57.0/2401

Proxy providers listing exits

  • AnyIP
  • BottingTools
  • Bright Data
  • Byteful
  • ColaProxy
  • EnigmaProxy
  • FastProxy
  • FloppyData
  • LemonBright
  • NodeMaven
  • NovaProxy
  • Oxylabs
  • Proxiware
  • ProxyEmpire
  • ProxyRack
  • VantageProxies
  • VitalExclusive

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, 2009[email protected]
└ 74.90.56.0/23512OOL-CPE-FRHDNJ-74-90-56-0-23unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 74.90.0.0/16

Prefix
74.90.0.0/16
Announced by
AS6128 Cablevision Systems Corp.
Type
Residential
Proxy exits
975
Always-on exits
205
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