Data as of Nov 3, 2026

64.15.96.0/20

No anonymizer space Β· no proxy exits in 30 days

Cablevision Systems Corp.

Announcement
No RPKI
Announced by
Type
Residential
>99% of it

Composition

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

Announced space

Address share

Announced space

Types across the prefix

4,096 addresses
TypeAddressesShareRanges
Residential4,080>99%3
Business160.39%2

Network & registry

Announced by

Covering announcement 64.15.0.0/16

Prefix
64.15.0.0/16
Announced by
AS6128 Cablevision Systems Corp.
Type
Residential
Proxy exits
31
Always-on exits
6
RPKI
No RPKI
Netname
NET64
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