arpaname(1) on macOS
The text 3b81e0f83b07, as Mac OS X 10.8.1, Mac OS X 10.8 shipped it.
translate IP addresses to the corresponding ARPA names
The text 3b81e0f83b07, as Mac OS X 10.8.1, Mac OS X 10.8 shipped it.
translate IP addresses to the corresponding ARPA names