I'm rather out of my depth here, having never used `arp` before, so forgive the question if it's obvious. The Python script relies on the `arp` utility. It do

I'm rather out of my depth here, having never used `arp` before, so forgive the question if it's obvious. The Python script relies on the `arp` utility. It does some grepping on the output and feeds it into `ping`, and the final output is a list of IPs/MACs/statuses. However, when I just run `arp` by itself, I get the same output as the whole Python script (but much faster). What value does the script provide that `arp` alone does not?