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Data as of Nov 15, 2026

47.21.138.0/24

2 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
47.20.0.0/14
RPKI valid
Announced by
AS6128
Type
Business
91% of it

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Always-on exits
1
50% of its exits
Providers
21
selling exits here
Oct 16, 2026 – Nov 14, 2026

Exits seen per day

1.7K observations

Proxy providers listing exits

  • 711Proxy
  • B2Proxy
  • BottingTools
  • ColaProxy
  • EZProxies
  • FastProxy
  • FlashProxy
  • GloryCloud
  • IPFly
  • IPPeak
  • Kookey
  • LemonBright
  • MoMoProxy
  • Novada
  • Proxiware
  • PuraRoute
  • RainProxy
  • RoamProxy
  • RolaProxy
  • Thordata
  • YumiProxy

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business23291%29
Residential249.4%3

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 47.20.0.0/14

Prefix
47.20.0.0/14
Announced by
AS6128 Cablevision Systems Corp.
Type
Residential
Proxy exits
1,766
Always-on exits
361
RPKI
RPKI valid
Netname
NETBLK-OOL-11BLK
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