Anonymous network traffic to public IPs


I have windows 7 SP1 installed pcs in my office network belongs to workgroup.

these system traffic shows through router(command: show ip accounting) that many public ip address is accessing ,which utilze my network bandwidth in large size.How can i block these traffic?

Why happening these public access from my PC,

Some of the public IPs are below..


Microsoft MVP
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Microsoft MVP
Before blocking take care that the addresses are not an essential part of the routing which supports your internet.

You can look them up here:

then decide if you want to block them via your firewall settings.

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