Data as of Nov 9, 2026
Autonomous system

AS19720

Cablevision Systems Corp.

Announces 2,560 addresses in 10 prefixes. None of it is anonymizer space.

Type
Internet provider
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
65.51.29.0/24
since Feb 2013
Residential
65.51.31.0/24
since Sep 2021
Residential
167.206.119.0/24
since May 2005
Residential
167.206.120.0/24
since Dec 2005
Residential
167.206.122.0/24
since Dec 2005
Residential
167.206.123.0/24
since Dec 2005
Residential
216.2.193.0/24
since Apr 2023
ResidentialVerizon Business
via Cablevision Systems Corp.
216.2.194.0/24
since Apr 2023
ResidentialVerizon Business
via Cablevision Systems Corp.
216.2.195.0/24
since Apr 2023
ResidentialVerizon Business
via Cablevision Systems Corp.
216.255.107.0/24Residential

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it