internet bandwidth monitoring

Is there any free (or cheap) internet bandwidth monitoring software available?  I would like to be able to monitor bandwidth usage and find out by ip address or computer name who is sucking the life out of our bandwidth.  We have a 5 mb connection and sometimes my speed test shows 0.25 Mbps of speed.  
mkramer777Asked:
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ujitnosCommented:
Try,
ManageEngine.
Solarwinds
0
omar_nagyCommented:
You will not find a free software to do what you need but here are some cheap & good softwares

Capsa Packet Sniffer
NetDMZ
Kerio
0

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