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Data as of Nov 15, 2026

47.21.132.0/24

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
88% of it

Residential-proxy exits

Proxy exits
2
0.78% of its addresses · 30 days
Providers
4
selling exits here
Oct 16, 2026 – Nov 14, 2026

Exits seen per day

358 observations

Proxy providers listing exits

  • ColaProxy
  • FastProxy
  • Thordata
  • ThunderProxy

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business22488%28
Residential3213%4

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