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Data as of Nov 4, 2026

104.246.56.0/21

4 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
104.246.0.0/17
RPKI valid
Announced by
AS6128
Type
Residential
Risk
0 / 100 · Low

Residential-proxy exits

Proxy exits
4
0.20% of its addresses · 30 days
Spread
3 of 8
/24s with at least one exit
Providers
14
selling exits here
Oct 5, 2026 – Nov 3, 2026

Exits seen per day

150 observations

/24s with the most always-on exits

/24Always-on exitsProxy exits
104.246.61.0/2402
104.246.59.0/2401
104.246.62.0/2401

Proxy providers listing exits

  • AnyIP
  • B2Proxy
  • Bright Data
  • CliProxy
  • ColaProxy
  • FastProxy
  • IPPeak
  • LemonBright
  • NovProxy
  • Proxiware
  • ProxyWing
  • Thordata
  • ThunderProxy
  • VitalExclusive

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
104.246.0.0/1732,768NETBLK-OOL-13BLKOptimum Online (OPTO) · USDirect AllocationDec 9, 2014[email protected]
└ 104.246.56.0/212,048OOL-CPE-SPTANJ-104-246-56-0-21unknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 104.246.0.0/17

Prefix
104.246.0.0/17
Announced by
AS6128 Cablevision Systems Corp.
Type
Residential
Proxy exits
445
Always-on exits
99
RPKI
RPKI valid
Netname
NETBLK-OOL-13BLK
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