arp(8) on FreeBSD
The text 2f5f2363f122, as FreeBSD 2.1.7.1-RELEASE, FreeBSD 2.1.7-RELEASE, FreeBSD 2.1.5-RELEASE, FreeBSD 2.0.5-RELEASE shipped it.
address resolution display and control
Flags it lists
-
-a -
-d -
-f