Something like Andreas does for https://netsplit.de/networks/ ?
I don't think it's really easy to do, or you'll have to specify wich port you want to test. And it could be really slow.
Yeah to get info from netsplit.de ,and yeah to specify the port i
want to check hmm is their no internal setting in the eggdrop we could work on? i dont know of one so far, but who knows hehe