AS6128 Cablevision Systems Corp.

Cablevision Systems Corp.

AS Number 6128
Website http://www.optimum.net

Overview
Prefixes
Connectivity
Whois
IX

Network status: Active, Allocated under ARIN

Network type: Eyeball

Prefixes Originated: 82 IPv4, 10 IPv6

Upstreams

AS3356 - Lumen (Level 3)
AS174 - Cogent Communications
AS1299 - Arelion (fka. Telia Carrier)
AS6939 - Hurricane Electric LLC
AS54004 - Optimum WiFi
AS3737 - PenTeleData Inc.

Rankings

#29 for AS Cone in United States

#18 for Estimated Eyeballs in United States

#180 for Unique Domains in United States

#35 for Originated IPv4 Space in United States

#64 for Originated IPv6 Space in United States

Tags:

	Prefix	Description
	24.38.0.0/17	Cablevision Systems Corp.
	24.38.74.0/24	Cablevision Systems Corp.
	24.38.82.0/24	Cablevision Systems Corp.
	24.38.93.0/24	Cablevision Systems Corp.
	24.38.192.0/18	Optimum Online
	24.44.0.0/14	Optimum Online
	24.89.128.0/18	Static IP Services
	24.146.128.0/17	Optimum Online
	24.157.32.0/19	Cablevision Systems Corp.
	24.157.51.0/24	Cablevision Systems Corp.
	24.184.0.0/14	Optimum Online
	24.188.0.0/14	Optimum Online
	24.189.218.0/24	Optimum Online (Cablevision Systems)
	24.228.0.0/16	Optimum Online
	24.246.96.0/19	Cablevision Systems Corp.
	47.16.0.0/15	Optimum WiFi
	47.16.0.0/14	Optimum WiFi
	47.18.0.0/16	Optimum WiFi
	47.20.0.0/14	Optimum Online
	50.29.0.0/17	Optimum WiFi
	63.142.20.0/24	Optimum WiFi
	63.247.160.0/19	Cablevision Systems Corp.
	67.80.0.0/14	Optimum Online
	67.80.0.0/13	Optimum Online
	67.84.0.0/14	Optimum Online
	68.192.0.0/14	Optimum Online
	68.192.0.0/13	Optimum Online
	68.196.0.0/14	Optimum Online
	69.27.224.0/19	Cablevision Systems Corp.
	69.112.0.0/13	Optimum Online
	69.112.0.0/14	Optimum Online
	69.116.0.0/14	Optimum Online
	69.120.0.0/14	Optimum Online
	69.120.0.0/13	Optimum Online
	69.124.0.0/14	Optimum Online
	74.88.0.0/15	Optimum Online
	74.89.0.0/24	Optimum Online (Cablevision Systems)
	74.90.0.0/16	Optimum Online
	75.99.0.0/16	Static IP Services
	75.127.128.0/17	Static IP Services
	96.56.0.0/15	Static IP Services
	104.148.128.0/17	Optimum Online
	104.246.0.0/17	Optimum Online
	107.188.0.0/17	Optimum Online
	108.58.0.0/16	Static IP Services
	108.162.0.0/18	Static IP Services
	108.170.64.0/18	Static IP Services
	108.179.0.0/18	Cablevision Systems Corp.
	142.54.64.0/18	Static IP Services
	144.62.128.0/17	Optimum Online
	148.74.0.0/15	Optimum Online
	148.76.0.0/17	Optimum Online
	148.76.128.0/18	Optimum Lightpath
	148.76.192.0/19	Optimum Online
	148.76.224.0/19	CSC Holdings Inc.,
	148.77.0.0/16	Optimum Online
	162.216.56.0/21	Optimum WiFi
	167.206.0.0/19	Cablevision Systems Corp.
	167.206.32.0/21	CABLEVISION INFRASTRUCTURE
	167.206.40.0/22	CABLEVISION INFRASTRUCTURE
	167.206.44.0/24	Cablevision Systems Corp.
	167.206.45.0/24	Cablevision Infrastructure
	167.206.46.0/23	Cablevision Systems Corp.
	167.206.48.0/20	Cablevision Systems Corp.
	167.206.64.0/19	Cablevision Systems Corp.
	167.206.96.0/20	Cablevision Systems Corp.
	167.206.112.0/22	Cablevision Systems Corp.
	167.206.113.0/24	Cablevision Systems Corp
	167.206.116.0/23	Cablevision Systems Corp.
	167.206.121.0/24	Cablevision Executive Offices
	167.206.124.0/22	Cablevision Systems Corp.
	167.206.128.0/17	Cablevision Systems Corp.
	173.2.0.0/15	Optimum Online
	173.220.0.0/16	Static IP Services
	173.229.64.0/18	Optimum WiFi
	173.251.0.0/17	Cablevision Systems Corp.
	174.44.0.0/16	Optimum Online
	192.208.120.0/21	Optimum WiFi
	198.46.96.0/19	Cablevision Systems Corp.
	198.182.247.0/24	TESS Associates
	209.140.32.0/19	Optimum WiFi
	216.255.96.0/19	Cablevision Systems Corp.
	2600:4800::/30	Optimum Online
	2600:4800::/28	Optimum Online
	2600:4804::/30	Optimum Online
	2600:4808::/30	Optimum Online
	2600:4808::/32	Optimum Online
	2600:4809::/32	Optimum Online
	2600:480a::/32	Optimum Online
	2600:480b::/32	Optimum Online
	2600:480c::/30	Optimum Online
	2602:230::/32	Cablevision Systems Corp.

Last Update: 2025-06-19T03:30:40Z UTC

Member of the following AS-SETs

-	Member	ASN Count

Name	IPv4	IPv6	Link Speed
NYIIX New York	198.32.160.186	2001:504:1::a500:6128:3	100 gbps
Equinix New York	198.32.118.17	2001:504:f::11	100 gbps
Equinix New York	198.32.118.117	2001:504:f::75	100 gbps
NYIIX New York	198.32.161.186	2001:504:1::a500:6128:4	100 gbps
Equinix Ashburn	206.126.236.150	2001:504:0:2::6128:1	40 gbps
Equinix Chicago	208.115.136.13	2001:504:0:4::6128:1	20 gbps
Equinix Chicago	208.115.136.56	2001:504:0:4::6128:2	10 gbps

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