http://www.blundstrom.ca/portfolio.asp?pid=14

http://tangentsoft.net/wskfaq/examples/dllping.html

http://users.chello.be/ws36637/ping.html

http://www.sockets.com/ms_icmp.htm

http://www.aspobjects.com/ASP_Components/Network/Ping/

http://www.howtodothings.com/showarticle.asp?article=560

http://www.experts-exchange.com/Programming/Programming_Languages/Visual_Basic/Q_20409335.html

http://cwashington.netreach.net/main/tools/default.asp?topic=a-m DSPing
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