AS6128

Cablevision Systems Corp.

CABLE-NET-1
Organization
Title
Cablevision Systems Corp.
Website
http://www.optimum.net
Details
Regional Internet registry
ARIN
IP Addresses count
5,187,840
Traffic estimation
1-5Tbps
Mostly Inbound
Coordinates
Summary
The organization Cablevision Systems Corp. allocates 77 IP netblocks under the autonomous system number (ASN ) of 6128. The regional internet registry (RIR ) for this ASN is ARIN. The country in which these IPs are located is United States of America (US), which is on #1 out of 249 countries by the total amount of ASNs allocated - 27,927.

AS6128 has 52 peers, 3 upstreams and 22 downstreams with a total of 5,187,840 IP addresses.
IP Address ranges
Block Description IPs count
24.38.0.0/17 Cablevision Systems Corp. (CVNT) 32,768
24.38.192.0/18 Optimum Online (OPTO) 16,384
24.44.0.0/14 CSC Holdings, Inc (Optimum Online) 262,144
24.89.128.0/18 Static IP Services (CSCHO-2) 16,384
24.146.128.0/17 Optimum Online (Cablevision Systems) 32,768
24.157.32.0/19 Cablevision Systems Corp. 8,192
24.184.0.0/14 CSC Holdings, Inc (Optimum Online) 262,144
24.187.70.0/23 CSC Holdings, Inc (Optimum Online) 512
24.188.0.0/14 CSC Holdings, Inc (Optimum Online) 262,144
24.189.218.0/24 CSC Holdings, Inc (Optimum Online) 256
24.228.0.0/16 Optimum Online (Cablevision Systems) 65,536
24.246.96.0/19 Proxy route for Zayo customer, Cablevision 8,192
47.16.0.0/15 BayNetworks 131,072
47.16.0.0/14 BayNetworks 262,144
47.18.0.0/16 NETBLK-WIFI-BLK6 65,536
47.20.0.0/14 Optimum Online (OPTO) 262,144
50.29.0.0/17 Optimum Online (Cablevision Systems) 32,768
63.142.16.0/20 Optimum WiFi (CHL-54) 4,096
63.143.128.0/17 Optimum Online (Cablevision Systems) 32,768
63.247.160.0/19 Cablevision Systems Corp. (CVNT) 8,192
65.51.0.0/16 Home Click 65,536
67.80.0.0/13 CSC Holdings, Inc (Optimum Online) 524,288
68.192.0.0/13 Optimum Online (OPTO) 524,288
69.27.224.0/19 CSC Holdings, Inc (Cablevision Lightpath) 8,192
69.74.0.0/16 CSC Holdings, Inc (Cablevision Lightpath) 65,536
69.74.69.0/24 CSC Holdings, Inc (Cablevision Lightpath) 256
69.74.195.0/24 CSC Holdings, Inc (Cablevision Lightpath) 256
69.74.196.0/23 CSC Holdings, Inc (Cablevision Lightpath) 512
69.112.0.0/13 CSC Holdings, Inc (Optimum Online) 524,288
69.118.14.0/23 CSC Holdings, Inc (Optimum Online) 512
69.120.0.0/13 NETBLK-OOL-6BLK 524,288
69.121.104.0/22 OOL-CPE--69-121-104-0-22 1,024
74.88.0.0/15 Optimum Online (Cablevision Systems) 131,072
74.89.0.0/24 OOL-CPE-HCVLNY-74-89-0-0-23 256
74.90.0.0/16 Optimum Online (Cablevision Systems) 65,536
75.99.0.0/16 Optimum Online (Cablevision Systems) 65,536
75.127.128.0/17 Optimum Online (Cablevision Systems) 32,768
96.56.0.0/15 Static IP Services (CSCHO-2) 131,072
104.123.62.0/24 Akamai 256
104.123.63.0/24 Akamai 256
104.123.64.0/24 Akamai 256
104.123.65.0/24 Akamai 256
104.148.128.0/17 Optimum Online (OPTO) 32,768
104.246.0.0/17 Optimum Online (Cablevision Systems) 32,768
107.188.0.0/17 Optimum Online (Cablevision Systems) 32,768
108.58.0.0/16 Optimum Online (Cablevision Systems) 65,536
108.162.0.0/18 Optimum Online (Cablevision Systems) 16,384
108.170.64.0/18 Proxy route for Zayo customer, Bresnan 16,384
108.179.0.0/18 Route for Blue Cross Blue Shield 16,384
142.54.64.0/18 Static IP Services (CSCHO-2) 16,384
148.74.0.0/15 Optimum Online (Cablevision Systems) 131,072
148.76.0.0/17 Optimum Online (Cablevision Systems) 32,768
148.76.128.0/18 Optimum Online (Cablevision Systems) 16,384
148.76.192.0/19 Optimum Online (Cablevision Systems) 8,192
148.77.0.0/16 Optimum Online (Cablevision Systems) 65,536
162.216.56.0/21 Optimum WiFi (CHL-54) 2,048
167.206.0.0/16 CSC Holdings, Inc (Cablevision Lightpath) 65,536
167.206.9.0/24 CSC Holdings, Inc (Cablevision Lightpath) 256
167.206.20.0/23 CSC Holdings, Inc (Cablevision Lightpath) 512
167.206.23.0/24 CVNET-A7CE1700 256
167.206.113.0/24 CSC Holdings, Inc (Cablevision Lightpath) 256
167.206.125.128/25 CVNET-A7CE7D80 128
167.206.135.0/24 CVNET-A7CE8700 256
170.129.0.0/16 Proxy route for Zayo customer, Cablevision 65,536
173.2.0.0/15 Optimum Online (OPTO) 131,072
173.220.0.0/16 Static IP Services (CSCHO-2) 65,536
173.229.64.0/18 Optimum Online (Cablevision Systems) 16,384
173.251.0.0/17 Cablevision Systems Corp. 32,768
173.251.36.0/23 Cablevision Systems Corp. 512
174.44.0.0/16 CCF Customer Proxy 65,536
192.208.120.0/21 Optimum Online (Cablevision Systems) 2,048
198.46.96.0/19 Cablevision Systems Corp. (CVNT) 8,192
198.242.55.0/24 Briarcliff College 256
204.9.0.0/22 DYNATECH INTERNATIONAL (DYNAT-1) 1,024
209.140.32.0/19 Optimum Online (Cablevision Systems) 8,192
216.255.96.0/19 CSC Holdings, Inc (Cablevision Lightpath) 8,192
216.255.102.0/24 CSC Holdings, Inc (Cablevision Lightpath) 256
Peers
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS293 ESnet 132,608
AS577 BACOM 6,003,968
AS852 TELUS Communications Inc. 4,883,712
AS2381 WiscNet 566,016
AS3292 TDC A/S 5,703,168
AS3303 Swisscom (Schweiz) AG 3,607,552
AS3356 Level 3 Parent, LLC 38,461,440
AS3491 PCCW Global, Inc. 1,012,480
AS4181 TDS TELECOM 1,121,536
AS4788 TM Net, Internet Service Provider 2,970,112
AS5769 Videotron Telecom Ltee 2,637,824
AS6079 RCN 1,152,256
AS3408 Rainbow Media Holdings LLC 256
AS6667 Elisa Oyj 2,816
AS6830 Liberty Global B.V. 12,174,336
AS6939 Hurricane Electric LLC 516,096
AS7738 Telemar Norte Leste S.A. 7,709,696
AS7922 Comcast Cable Communications, LLC 71,283,200
AS8359 MTS PJSC 1,168,128
AS9304 HGC Global Communications Limited 1,500,928
AS10955 WILLIAM PATERSON UNIVERSITY 65,536
AS11403 NYI 53,760
AS12073 Contemporary Computer Services Inc. 4,096
AS13030 Init7 (Switzerland) Ltd. 95,744
AS13883 Contractors Register, Inc. 256
AS14061 DigitalOcean, LLC 2,272,768
AS14361 HopOne Internet Corporation 136,448
AS14564 Alpine Funds 256
AS16884 Tourmaline Partners LLC 256
AS17903 Cognizant Technology Solutions India Pvt Ltd 20,224
AS19151 WV FIBER 70,144
AS19587 H/2 Credit Manager GP LLC 256
AS20079 VESTAR CAPITAL PARTNERS 512
AS22249 MAXELL CORPORATION OF AMERICA 256
AS22775 Moore Capital Management 10,240
AS23329 Open Access Inc. 1,536
AS30006 D. F. King & Co., Inc. 1,792
AS32011 Joho Capital, LLC 256
AS33891 Core-Backbone GmbH 0
AS36082 BIDS Trading L.P. 256
AS36351 SoftLayer Technologies Inc. 5,125,120
AS36447 DATABASAURUS, LLC 512
AS40137 AWM Investment Company, Inc. 256
AS41095 IPTP LTD 40,704
AS46388 Sunrise Medical Laboratories, Inc. 256
AS52320 GlobeNet Cabos Submarinos Colombia 10,496
AS54004 Optimum WiFi 70,528
AS54735 TT Government Solutions, Inc. 10,240
AS394178 Pretium REO, LLC 512
AS395652 County of Bergen 1,024
AS6461 Zayo Bandwidth 1,011,200
Upstreams
ASN Name IPs Count
AS174 Cogent Communications 27,507,456
AS3356 Level 3 Parent, LLC 38,461,440
AS6461 Zayo Bandwidth 1,011,200
Downstreams
ASN Name IPs Count
AS3408 Rainbow Media Holdings LLC 256
AS10955 WILLIAM PATERSON UNIVERSITY 65,536
AS12073 Contemporary Computer Services Inc. 4,096
AS13883 Contractors Register, Inc. 256
AS14564 Alpine Funds 256
AS16884 Tourmaline Partners LLC 256
AS17903 Cognizant Technology Solutions India Pvt Ltd 20,224
AS19587 H/2 Credit Manager GP LLC 256
AS20079 VESTAR CAPITAL PARTNERS 512
AS22249 MAXELL CORPORATION OF AMERICA 256
AS22775 Moore Capital Management 10,240
AS23329 Open Access Inc. 1,536
AS30006 D. F. King & Co., Inc. 1,792
AS32011 Joho Capital, LLC 256
AS36082 BIDS Trading L.P. 256
AS36447 DATABASAURUS, LLC 512
AS40137 AWM Investment Company, Inc. 256
AS46388 Sunrise Medical Laboratories, Inc. 256
AS54004 Optimum WiFi 70,528
AS54735 TT Government Solutions, Inc. 10,240
AS394178 Pretium REO, LLC 512
AS395652 County of Bergen 1,024
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