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CSC HOLDINGS, Inc.

CSC HOLDINGS, Inc. uses 5,600 IPv4 addresses in 681 ranges, by the registry records IP Company reads.

cscholdings.com·United States

5,600
IPv4 addresses
681
IPv4 ranges
0
IPv6 ranges
0
ASes it operates
1
country

Who routes its space

The networks announcing its IPv4, by the addresses each announces.

  1. AS6128 Cablevision Systems Corp.5,496 · 98.14%
  2. AS54004 Cablevision Lightpath LLC72 · 1.29%
  3. AS174 Cogent Communications, LLC32 · 0.57%

Where its space is

Its IPv4 that IP Geolocation places, by country. A /24 counts for the company using most of it.

  1. United States256 · 100.00%

Networks it operates

The autonomous systems registered under its domain, by the IPv4 each announces anywhere.

No AS number is registered under its domain.

What the databases see

Addresses each address-keyed database holds in its IPv4, as a share of it, with the largest providers. A /24 counts for the company using most of it; counts overlap.

Speed tests

Speeds measured from its space in the last 90 days.

From M-Lab
49.5 Mbps
median download
0.2 Mbps
median upload
10
download tests
10
upload tests

Its address ranges

Its largest IPv4 ranges, then its IPv6 ones, as IP Company draws them, a CIDR a row, with the network announcing each.

first 100 of 681 ranges
RANGEIPV4ORIGIN
47.21.43.192/2732AS6128
47.22.178.128/2732AS6128
108.170.93.112/2816AS6128
108.58.190.248/298AS6128
108.58.191.0/298AS6128
108.58.21.248/298AS6128
108.58.22.0/298AS6128
142.54.104.64/2816AS6128
173.220.116.128/2816AS6128
173.220.185.32/2816AS6128
173.220.26.208/2816AS6128
47.19.82.176/2816AS54004
47.21.42.160/2816AS6128
47.22.155.160/2816AS6128
47.22.78.112/2816AS6128
47.23.67.56/298AS6128
47.23.67.64/298AS6128
47.23.7.56/298AS6128
47.23.7.64/298AS6128
68.195.195.112/2816AS6128
75.127.209.104/298AS6128
75.127.209.112/298AS6128
75.99.162.176/2816AS6128
75.99.199.128/2816AS6128
96.56.147.48/2816AS6128
108.162.13.144/298AS6128
108.162.15.144/298AS6128
108.162.15.32/298AS6128
108.162.19.8/298AS6128
108.162.20.232/298AS6128
108.162.28.56/298AS6128
108.162.3.112/298AS6128
108.162.34.200/298AS6128
108.162.39.136/298AS6128
108.162.40.88/298AS6128
108.162.41.120/298AS6128
108.162.46.40/298AS6128
108.162.46.88/298AS6128
108.162.48.32/298AS6128
108.162.48.64/298AS6128
108.162.49.200/298AS6128
108.162.54.0/298AS6128
108.162.56.152/298AS6128
108.162.62.8/298AS6128
108.162.8.136/298AS6128
108.170.101.216/298AS6128
108.170.65.144/298AS6128
108.170.65.160/298AS6128
108.170.65.24/298AS6128
108.170.66.120/298AS6128
108.170.69.208/298AS6128
108.170.72.48/298AS6128
108.170.74.240/298AS6128
108.170.74.40/298AS6128
108.170.77.176/298AS6128
108.170.78.112/298AS6128
108.170.79.216/298AS6128
108.170.79.24/298AS6128
108.170.86.32/298AS6128
108.170.93.160/298AS6128
108.170.98.152/298AS6128
108.170.98.48/298AS6128
108.58.1.88/298AS6128
108.58.105.16/298AS6128
108.58.107.120/298AS6128
108.58.107.224/298AS6128
108.58.108.96/298AS6128
108.58.111.0/298AS6128
108.58.12.168/298AS6128
108.58.121.0/298AS6128
108.58.125.128/298AS6128
108.58.125.176/298AS6128
108.58.127.232/298AS6128
108.58.13.136/298AS6128
108.58.13.192/298AS6128
108.58.142.104/298AS6128
108.58.142.168/298AS6128
108.58.144.96/298AS6128
108.58.145.144/298AS6128
108.58.145.216/298AS6128
108.58.154.16/298AS6128
108.58.155.240/298AS6128
108.58.158.96/298AS6128
108.58.161.152/298AS6128
108.58.161.216/298AS6128
108.58.164.224/298AS6128
108.58.171.208/298AS6128
108.58.172.136/298AS6128
108.58.173.168/298AS6128
108.58.174.184/298AS6128
108.58.177.104/298AS6128
108.58.177.48/298AS6128
108.58.178.144/298AS6128
108.58.178.16/298AS6128
108.58.178.176/298AS6128
108.58.178.224/298AS6128
108.58.181.104/298AS6128
108.58.186.104/298AS6128
108.58.186.184/298AS6128
108.58.186.8/298AS6128
108.58.186.80/298AS6128
108.58.187.176/298AS6128
108.58.187.80/298AS6128
108.58.190.136/298AS6128
108.58.190.48/298AS6128

Names it registers under

The holder names its registry records give, by the IPv4 under each.

  1. CSC HOLDINGS, Inc.5,480 · 97.86%
  2. CSC HOLDINGS, LLC88 · 1.57%
  3. CSC Holdings32 · 0.57%
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