Mar 232010
 

PeerMonitor is a free tool to monitor network devices and hosts on the internet. PeerMonitor is a simple ICMP based tool which pings the hosts at regular intervals and shows you the dashboard with the status of the monitored devices.

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Oct 252008
 

Networked Computers can send ICMP Type 17 messages to know the subnet mask of the local network. Only hosts configured to be routers or gateways can respond to these messages. By default Windows hosts do not respond to ICMP Type 17 (Address request) messages as restriced by RFC 1122.

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