Data as of Nov 3, 2026

47.21.22.0/24

1 residential-proxy exit · 30 days

Cablevision Systems Corp. · space held by Optimum Online

Announcement

47.20.0.0/14

RPKI valid

Announced by

AS6128

Type

Business

61% of it

Residential-proxy exits

Proxy exits

0.39% of its addresses · 30 days

Providers

selling exits here

Oct 4, 2026 – Nov 2, 2026

Exits seen per day

186 observations

Proxy providers listing exits

FastProxy
Proxiware
ProxyEmpire
RainProxy
VantageProxies

Composition

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

Announced space

Address share

Announced space

Types across the prefix

256 addresses

Type	Addresses	Share	Ranges
Business	156	61%	19
Residential	100	39%	9

Network & registry

Announcement Routing history RPKI & IRR Whois & 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: 1,641
Always-on exits: 385
RPKI: RPKI valid
Netname: NETBLK-OOL-11BLK
Registrant: Optimum Online
RIR: ARIN

Origin network

AS6128

Name: Cablevision Systems Corp.
Type: Internet provider
Domain: cablevision.com
Website: www.optimum.net
Industry: Internet Service Provider (ISP)
Spamhaus ASN-DROP: not listed

47.21.22.0/24

Residential-proxy exits

Exits seen per day

Proxy providers listing exits

Composition

Address share

Types across the prefix

Network & registry

Covering announcement 47.20.0.0/14

AS6128

Who has announced 47.20.0.0/14

Routing history

Route origin authorizations

Registration for this announcement

Abuse contact