ASN Lookup Tool

Cablevision Systems Corp. optimum.com US US 3143 Routes

AS Data

AS6128

AS6128 – Cablevision Systems Corp.

AS Number 6128
AS Name CABLE-NET-1
Organization Cablevision Systems Corp. (cvnt-z)
Country US
Website optimum.com
Number of IPv4 Routes 92
Number of IPv6 Routes 578
ASN type ISP
Registry ARIN
Date Allocated N/A

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IP Ranges

Route # IPs
167.206.0.0/19 8192
69.116.92.0/22 1024
24.186.44.0/22 1024
69.126.108.0/22 1024
2600:4808:6a30::/44 ~19×10²⁴
24.190.112.0/21 2048
69.122.224.0/22 1024
2600:480a:58b0::/44 ~19×10²⁴
68.194.80.0/20 4096
69.114.98.0/23 512
24.47.168.0/22 1024
2600:4809:9970::/44 ~19×10²⁴
67.83.216.0/22 1024
68.197.172.0/23 512
69.115.48.0/21 2048
2600:480a:12d0::/44 ~19×10²⁴
2600:4808:1b0::/44 ~19×10²⁴
68.195.152.0/21 2048
67.83.48.0/23 512
68.197.202.0/23 512
24.228.192.0/21 2048
68.196.168.0/21 2048
67.83.112.0/20 4096
104.246.8.0/21 2048
24.191.224.0/21 2048
74.88.132.0/22 1024
67.86.152.0/21 2048
24.89.128.0/18 16384
67.84.60.0/22 1024
173.2.168.0/21 2048
2600:4809:4110::/44 ~19×10²⁴
104.148.252.0/22 1024
24.191.12.0/23 512
2600:480a:3bb0::/44 ~19×10²⁴
69.118.56.0/22 1024
2600:480a:4250::/44 ~19×10²⁴
2600:4808:5950::/44 ~19×10²⁴
2600:4808:a030::/44 ~19×10²⁴
67.85.208.0/21 2048
2600:4809:2970::/44 ~19×10²⁴
2600:4809:8990::/44 ~19×10²⁴
74.89.244.0/22 1024
24.47.160.0/23 512
67.81.228.0/22 1024
69.120.14.0/23 512
68.192.216.0/22 1024
69.126.236.0/23 512
24.186.0.0/21 2048
69.123.136.0/23 512
24.44.164.0/22 1024
67.87.38.0/23 512
24.185.64.0/22 1024
67.81.196.0/22 1024
24.146.176.0/22 1024
69.123.138.0/23 512
69.120.12.0/23 512
68.197.200.0/23 512
2600:4809:50f0::/44 ~19×10²⁴
2600:480a:3b90::/44 ~19×10²⁴
2600:4808:6110::/44 ~19×10²⁴

Raw Whois Response

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       6128
ASName:         CABLE-NET-1
ASHandle:       AS6128
RegDate:        
Updated:        2023-02-07
Ref:            https://rdap.arin.net/registry/autnum/6128


OrgName:        Cablevision Systems Corp.
OrgId:          CVNT-Z
Address:        1111 Stewart Avenue
City:           Bethpage
StateProv:      NY
PostalCode:     11714
Country:        US
RegDate:        2014-09-12
Updated:        2014-09-12
Ref:            https://rdap.arin.net/registry/entity/CVNT-Z


OrgAbuseHandle: OOLAB-ARIN
OrgAbuseName:   OOL Hostmaster
OrgAbusePhone:  +1-516-803-2400 
OrgAbuseEmail:  abuse@cv.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/OOLAB-ARIN

OrgTechHandle: CIO1-ARIN
OrgTechName:   Cablevision Internet Operations
OrgTechPhone:  +1-516-390-5480 
OrgTechEmail:  hostmaster@alticeusa.com
OrgTechRef:    https://rdap.arin.net/registry/entity/CIO1-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#

Parsed Whois Response

Peers

AS Number Description Country
AS20115 Charter Communications LLC US
AS263903 INFORBARRA TELECOM BR
AS7195 EDGEUNO S.A.S CO
AS58057 Securebit AG CH
AS9498 Bharti Airtel Limited IN
AS40244 Turnkey Internet Inc. US
AS20326 TeraSwitch Networks Inc. US
AS64049 Reliance Jio Infocomm Pte Ltd Singapore SG
AS262589 SAMM TECNOLOGIA E TELECOMUNICACOES S.A BR
AS3737 PenTeleData Inc. US
AS9505 Chunghwa Telecom Co., Ltd. TW
AS6204 ZET.NET IP Transit RO
AS19720 Cablevision Systems Corp. US
AS6939 Hurricane Electric LLC US
AS20940 Akamai International B.V. NL
AS22356 Durand do Brasil Ltda BR
AS36351 IBM Cloud US
AS14537 Continent 8 LLC US
AS267256 ONETIS TECNOLOGIA LTDA BR
AS37468 Angola Cables AO
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS14773 Lancaster Lebanon Intermediate Unit 13 US
AS852 TELUS Communications Inc. CA
AS293 ESnet US
AS3303 Swisscom Schweiz AG CH
AS1000 LINK AMERICAN US
AS6079 RCN US
AS51185 MainStreaming SpA IT
AS6461 Zayo Bandwidth US
AS58453 China Mobile International Limited HK
AS398465 Rackdog, LLC US
AS8220 COLT Technology Services Group Limited GB
AS18119 Advanced Computer Solutions NZ
AS57463 NetIX Communications JSC BG
AS26042 FiberState, LLC US
AS2734 CoreSite US
AS1031 PEER 1031 LLC US
AS33597 Atlantic Metro Communications II, Inc. US
AS29838 Atlantic Metro Communications II, Inc. US
AS8001 Cologix, Inc US
AS1299 Arelion Sweden AB SE
AS262355 VSX Networks BR
AS999 CORIX NETWORKS US
AS3292 TDC Holding A/S DK
AS54004 Cablevision Lightpath LLC US
AS32787 Akamai Technologies, Inc. US
AS19318 Interserver, Inc US
AS24482 SG.GS SG
AS54825 Packet Host, Inc. US
AS6667 Elisa Oyj FI
AS52320 GlobeNet Cabos Submarinos Colombia, S.A.S. CO
AS7311 Frontier Networks Inc CA
AS46450 Pilot Fiber, Inc. US
AS21976 NJEDge.Net, Inc. US
AS23106 AMERICAN TOWER DO BRASIL COMUNICAÇÃO MULTIMÍDIA LT BR
AS20473 The Constant Company, LLC US
AS33891 Core Backbone GmbH DE
AS5400 British Telecommunications Limited GB
AS36236 NetActuate, Inc US
AS18106 Viewqwest Pte Ltd SG

Upstreams

AS Number Description Country
AS60068 Datacamp Limited GB
AS7195 EDGEUNO S.A.S CO
AS8220 COLT Technology Services Group Limited GB
AS9002 RETN Limited GB
AS3737 PenTeleData Inc. US
AS46450 Pilot Fiber, Inc. US
AS6204 ZET.NET IP Transit RO
AS6939 Hurricane Electric LLC US
AS174 Cogent Communications, LLC US
AS577 Bell Canada CA
AS33891 Core Backbone GmbH DE
AS37468 Angola Cables AO
AS5400 British Telecommunications Limited GB
AS13786 Seabras 1 USA, LLC US
AS41095 IPTP LTD GB
AS1031 PEER 1031 LLC US
AS3303 Swisscom Schweiz AG CH
AS1299 Arelion Sweden AB SE
AS3491 PCCW Global HK Limited HK
AS19108 Optimum US
AS6461 Zayo Bandwidth US
AS137409 GSL Networks Pty LTD AU
AS1273 IDDQD AS GB

Downstreams

AS Number Description Country
AS19720 Cablevision Systems Corp. US
AS20940 Akamai International B.V. NL
AS54004 Cablevision Lightpath LLC US

Contacts

Email Contacts

hostmaster@alticeusa.com

Abuse Contacts

abuse@cv.net

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Frequently Asked Questions

ASN AS6128 is an Autonomous System Number used to identify a network for BGP internet routing.
AS6128 is listed under Cablevision Systems Corp..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.