I've probably memorized about 50 service's ports at this point, which feels like nothing compared to the 14,103 of the entries in the IANA registry. https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xhtml
What about you? No need to be overly specific, and this is just to see where people are at for fun. Estimates are fine and it's okay that port numbers are easy to change and aren't always consistent
Edited by SwingJitsu, 13 October 2018 - 05:09 PM.