I want to know who is streaming Netflix onto my network.

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  • Updated 7 years ago
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Network Admin

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Posted 7 years ago

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Photo of Darragh Delaney

Darragh Delaney, Employee

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Users accessing media sites like Netflix and YouTube can consume massive amounts of bandwidth . What’s needed are performance management solutions that can 1) detect and notify you about network performance degradation and spikes in bandwidth utilization, and 2) give you visibility into what applications are running on the network and what IP addresses and usernames are associated with them.

For most media sites it is easy to start monitoring activity associated with them. Just follow these steps

1. Ping the website in question. For example www.netflix.com comes back as 208.75.76.17
2. Go to the website www.incidents.org and enter this IP address in the top right hand corner.
3. You will find that this IP address is part of the range 208.75.76.0/24. Google this range to see if Netflix have any other subnet ranges registered to them. YouTube for example will have many subnets associated with their services
4. Log onto LANguardian and select Bandwidth\IP\Traffic distribution from the reporting menu on the left. Enter 208.75.76.0/24 as the subnet and this will reveal if you have any Netflix traffic on your network. Drill down on the totals to reveal the most active clients

If you have proxy servers on your network you dont need to lookup the IP ranges. Logon to LANguardian and go to Modules\Web\Advanced Reports\Proxy Sessions By IP. Enter netflix as the website and run the report.