LANView 

LANView is a powerful tool for LAN administration. It can rapidly gather the hosts' information in the network, With LANView, capturing and analyzing network packets real time would be convenient.
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ArpCacheWatch 

ArpCacheWatch monitors Windows ARP cache and allows to send an ARP request to obtain the physical address that corresponds to the specified destination IP address. The ARP cache contains IP/MAC translations.
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TrafMeter 

TrafMeter provides a powerful accounting and realtime monitoring of Internet traffic to and from a local network with. It can produce XML traffic reports or/and log traffic counters into a database. It can track visited websites by its name.
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VisualRoute 2006 

VisualRoute combines several essential network tools to analyze Internet connections and identify bottlenecks that cause slow response. The path of each connection is shown on a world map, domain and network Whois lookups enable quick reporting.
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