Data as of Nov 3, 2026

47.21.7.0/24

3 residential-proxy exits · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement
RPKI valid
Announced by
Type
Business
53% of it

Residential-proxy exits

Proxy exits
3
1.2% of its addresses · 30 days
Always-on exits
1
33% of its exits
Providers
12
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

4.5K observations
  • Residential
  • Business

Proxy providers listing exits

  • Ake.net
  • ColaProxy
  • DataImpulse
  • GeekProxy
  • MagneticProxy
  • MarsProxies
  • PSBProxy
  • PrivateByte
  • Proxmint
  • Proxy4U
  • Thordata
  • VProxy

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses
TypeAddressesShareRanges
Business13653%14
Residential12047%8

Network & registry

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
1,641
Always-on exits
385
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