akamai network destination

I have noticed an increase in outbound bandwidth being taken up by our internal pc's going out to Akamai network. 173.205.24.128/25
This is some kind of content delivery site, but I've had to block outbound destination to this network, as stated earlier , that bandwidth was being over utilized from this automatic http traffic from our internal users.
What application is this used for, since users are not consciously clicking on to this site.
jim3725Asked:
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jim3725Author Commented:
I discovered another Akamai network of 209.170.64.0/18 that causes a lot of bandwidth utilization. What application is causing pc's to go to this destination.
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kllarsonCommented:
Akamai Technologies is a content delivery network and cloud services provider. They have many customers and several delivery services that their customers use. Blocking their networks might have some adverse effects. I don't think it will break your internet, but some content may not show or take longer to get to you.

https://en.wikipedia.org/wiki/Akamai_Technologies
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jim3725Author Commented:
I know what it is, but I don't know which applications are using this netsession for content delivery. I have a 10MB bandwidth at a remote site, ad whenever the pc's automatically go to Akamai then all others apps are affected by the decreased bandwidth.
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kllarsonCommented:
From any research I have done, seeing the same thing as you, I have never been able to track it down to one particular service. It could be Windows, Symantec, some webpages that stream video content or even streaming video ads, etc. It honestly could be anything.
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jim3725Author Commented:
Thanks for confirming Kilarson. As it stands now, I can only block these Akamai network ranges, what a pia !!
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Dave BaldwinFixer of ProblemsCommented:
Have you tried TCPView https://technet.microsoft.com/en-us/library/bb897437.aspx  to view the traffic from one of the workstations?  It can show what programs or processes are making the connections.
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jim3725Author Commented:
I download and ran this from my pc. Nothing yet from Akamai connections.
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Dave BaldwinFixer of ProblemsCommented:
Were you also running a browser that connects to one of the sites that is using Akamai?
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jim3725Author Commented:
Dave, I'm not sure that if I will see my connection to Akamai networks, since I've blocked 3 different networks to Akamai networks. I would like to know if this connection can be controlled at the pc and on what application is using to establish this connection to Akamai networks.
Any more assistance would be appreciated.
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Dave BaldwinFixer of ProblemsCommented:
The connection to Akamai networks is going to be a redirect in the browsers by web sites that use Akamai as a CDN.  I'm sure it can be used by other apps that frequently go to the web for info and updates like anti-virus programs and everything else that checks for updates when it is launched.
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jim3725Author Commented:
Dave, Is their any settings that can be disabled in browser to stop this CSD from going outbound?
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Dave BaldwinFixer of ProblemsCommented:
I doubt it because it isn't determined by the browser but by the sites and servers you are connecting to.  And if you are successful in disabling all access to Akamai, you may find that you have disabled some programs from getting info or updates.
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jim3725Author Commented:
thanks Dave, It's better to have more bandwidth than being hammered by Akamai,  so i'll take my chances.
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jim3725Author Commented:
helpful tool,
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