AS6128 Cablevision Systems Corp.

The website screenshot for http://www.optimum.net

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, LLC
AS1299 - Arelion (fka. Telia Carrier)
AS6939 - Hurricane Electric LLC
AS3737 - PenTeleData Inc.
AS21976 - NJEDge.Net, Inc.
AS137409 - GSL Networks Pty LTD

Rankings

#28 for AS Cone in United States

#19 for Estimated Eyeballs in United States

#187 for Unique Domains in United States

#37 for Originated IPv4 Space in United States

#69 for Originated IPv6 Space in United States

Tags:

	Prefix	Description
	24.38.0.0/17	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.
	47.16.0.0/14	American Registry for Internet Numbers
	47.16.0.0/15	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
	68.192.0.0/13	Optimum Online
	68.192.0.0/14	Optimum Online
	68.196.0.0/14	Optimum Online
	69.27.224.0/19	Cablevision Systems Corp.
	69.27.228.0/24	Cablevision Infrastructure
	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 WiFi
	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
	148.76.0.0/18	Optimum Online
	148.76.64.0/18	Optimum Lightpath
	148.76.128.0/18	Cablevision Lightpath LLC
	148.76.192.0/19	Optimum Online
	148.76.224.0/19	Optimum Online
	148.77.0.0/17	Cablevision Lightpath LLC
	148.77.128.0/17	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::/28	Optimum Online
	2600:4800::/30	Optimum Online
	2600:4804::/30	Optimum Online
	2600:4808::/32	Optimum Online
	2600:4808::/30	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.

Peers: 84

Upstreams: 7

Downstreams: 3 (Cone: 337)

Network Policy

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Display links using non straight lines

How are upstreams and downstreams calculated?

Upstreams

ASN	Description	IPv4	IPv6
AS3356	Lumen (Level 3)	✔	✔
AS174	Cogent Communications, LLC	✔	✔
AS1299	Arelion (fka. Telia Carrier)	✔	✔
AS6939	Hurricane Electric LLC	✘	✔
AS3737	PenTeleData Inc.	✔	✘
AS21976	NJEDge.Net, Inc.	✘	✔
AS137409	GSL Networks Pty LTD	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS54004	Cablevision Lightpath LLC	✔	✔
AS3356	Lumen (Level 3)	✔	✔
AS6939	Hurricane Electric LLC	✔	✔
AS174	Cogent Communications, LLC	✔	✔
AS1299	Arelion (fka. Telia Carrier)	✔	✔
AS9002	RETN Limited	✔	✔
AS3491	PCCW Global (HK) Ltd.	✔	✔
AS137409	GSL Networks Pty LTD	✔	✔
AS20940	Akamai International B.V.	✔	✔
AS33891	Core-Backbone GmbH	✔	✔
AS6204	INTERKVM HOST SRL	✔	✔
AS1273	Vodafone Group PLC	✔	✔
AS7922	Comcast Cable Communications, LLC	✔	✔
AS19720	Cablevision Systems Corp.	✔	✘
AS577	Bell Canada	✔	✔
AS199524	Gcore S.A.	✔	✔
AS52320	V.tal (GlobeNet)	✔	✔
AS3303	Swisscom (Schweiz) AG	✔	✔
AS7195	EdgeUno	✔	✘
AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✔
AS6667	Elisa Oyj	✔	✔
AS49544	i3D.net B.V	✔	✔
AS8220	COLT	✔	✔
AS21700	Neptune Networks, LLC	✔	✔
AS399728	P Foundation	✔	✘
AS37468	Angola Cables	✔	✔
AS22356	Durand do Brasil Ltda	✔	✔
AS13786	Seaborn (Seabras USA, LLC)	✔	✔
AS19108	Optimum	✔	✘
AS16276	OVH SAS	✔	✔
AS9498	Bharti Airtel Ltd.	✔	✘
AS7843	Charter Communications Inc	✔	✔
AS8359	MTS PJSC	✔	✘
AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✔
AS3292	TDC Holding A/S	✔	✔
AS18678	INTERNEXA S.A. E.S.P	✔	✘
AS3737	PenTeleData Inc.	✔	✘
AS29802	HIVELOCITY, Inc.	✔	✔
AS62642	Bigleaf Networks, Inc.	✔	✘
AS2635	Automattic, Inc	✔	✔
AS14773	Lancaster-Lebanon Intermediate Unit 13	✔	✔
AS212477	RoyaleHosting B.V.	✔	✘
AS1031	PEER 1031 LLC	✔	✘
AS14907	Wikimedia Foundation Inc.	✔	✔
AS13335	Cloudflare, Inc.	✔	✔
AS26548	PureVoltage Hosting Inc.	✔	✔
AS400587	Ryamer, LLC	✔	✔
AS32554	Montgomery County Intermediate Unit	✔	✔
AS293	ESnet	✔	✘
AS14537	Continent 8 LLC	✔	✔
AS263152	MIGO TELECOM	✔	✘
AS263444	Open X Tecnologia Ltda	✔	✔
AS4455	IX Reach Ltd	✔	✘
AS57304	RETN Russia	✔	✔
AS24482	SG.GS	✔	✔
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✘
AS6079	Astound (fka. RCN)	✔	✔
AS263903	INFORBARRA TELECOM	✔	✔
AS812	Rogers Communications Canada Inc.	✔	✘
AS17378	TierPoint, LLC	✔	✔
AS62887	WhiteSky Communications, LLC.	✔	✘
AS36236	NetActuate, Inc	✔	✔
AS262589	SAMM (Internexa)	✔	✘
AS28283	Adyl Telecom	✔	✔
AS2734	CoreSite	✔	✔
AS21976	NJEDge.Net, Inc.	✔	✔
AS20473	The Constant Company, LLC	✘	✔
AS852	TELUS Communications Inc.	✔	✔
AS7795	LUMOS Networks, Inc.	✔	✘
AS29838	Atlantic Metro Communications II, Inc.	✔	✘
AS41095	IPTP LTD	✔	✔
AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✔
AS32787	Akamai (Prolexic)	✔	✘
AS1239	Sprint Wireline (Cogent)	✔	✘
AS54825	Equinix Metal (Packet.net)	✔	✘
AS15169	Google LLC	✔	✘
AS20115	Charter Communications LLC	✔	✔
AS26042	FiberState, LLC	✔	✘
AS398465	Rackdog LLC	✔	✘
AS9505	Taiwan Internet Gateway	✔	✘
AS7784	Atlantech Online, Inc.	✔	✘
AS41327	Fiber Telecom S.p.A.	✔	✘
AS396356	Latitude.sh	✔	✘
AS18106	Viewqwest Pte Ltd	✔	✘

Downstreams

ASN	Description	IPv4	IPv6
AS54004	Cablevision Lightpath LLC	✔	✔
AS20940	Akamai International B.V.	✔	✔
AS19720	Cablevision Systems Corp.	✔	✘

ASHandle:       AS6128
OrgID:          CVNT-Z
ASName:         CABLE-NET-1
ASNumber:       6128
RegDate:        1970-01-01
Updated:        2023-02-07
Source:         ARIN



OrgID:          CVNT-Z
OrgName:        Cablevision Systems Corp.
CanAllocate:    
Street:         1111 Stewart Avenue
City:           Bethpage
State/Prov:     NY
Country:        US
PostalCode:     11714
RegDate:        2014-09-12
Updated:        2014-09-12
OrgAdminHandle: OH4-ORG-ARIN
OrgTechHandle:  CIO1-ARIN
OrgAbuseHandle: OOLAB-ARIN
Source:         ARIN





OrgAdminHandle:       OH4-ORG-ARIN
OrgAdminName:          OOL Hostmaster
# Email removed, Log into bgp.tools to see whois emails


OrgTechHandle:        CIO1-ARIN
OrgTechName:           Cablevision Internet Operations
# Email removed, Log into bgp.tools to see whois emails


OrgAbuseHandle:       OOLAB-ARIN
OrgAbuseName:          OOL Hostmaster
# Email removed, Log into bgp.tools to see whois emails

Last Update: 2026-05-07T03:38:54Z UTC

Member of the following AS-SETs

-	Member	ASN Count
RADB	as16559:as-peers	44
RIPE	as3303:as-swcmpeers	797
RADB	as-hurricanev6	20826
LEVEL3	as-level3-customers-na	0
RIPE	as-mfnx	75379
ARIN	as-xo	1
ARIN	as-xo-b	58836
LEVEL3	as-lumen-customers-asns	10695
RIPE	as-globeinternet-clients	89258
ARIN	as6128:as-customers	780
RADB	as26615:as-customers	8027
RADB	as12025:as-customers	152
ARIN	as393731:as-peers	6
RADB	as-cv	189
RADB	as-rcn-ce-peers	8531
LEVEL3	as-level3-origins-na	0
ARIN	as-globeinternet-clients	89258
RIPE	as8218:as-peers	141

Name	IPv4	IPv6	Link Speed
NYIIX New York	198.32.160.186	2001:504:1::a500:6128:3	200 gbps
NYIIX New York	198.32.161.186	2001:504:1::a500:6128:4	200 gbps
Equinix Ashburn	206.126.236.150	2001:504:0:2::6128:1	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
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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Upstreams

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Upstreams

Peers

Downstreams

Member of the following AS-SETs

Internet Exchange Points