Why don't you just plug the cable into the built-in socket? Every real geek has it! Unlike the green script kiddies with their "wireless".

I am from the IEEE-488 era.

its ok with other options, bt i mean it in perl

not other methods

if you have some little idea you can provide a sample of your code

you should have idea on ACK AND SYN and done it before in perl

and when your sending ICMP echo request to host you should expect Echo Reply Messages