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18

answers:

1

Is there any public info on what public IP address ranges Amazon EC2 uses? I would like to be able to lookup an IP and know whether or not it's an EC2 machine. I know that the DNS name given to EC2 machines gives a hint that it's an EC2 account, but I really prefer to just have an IP lookup available.

Tx, Simon @ http://LabSlice.com

+1  A: 

Amazon maintains the list of EC2 IP Ranges here: http://developer.amazonwebservices.com/connect/ann.jspa?annID=795

BigJoe714