netstat(1) on OpenBSD
The text 54da4bab8db9, as OpenBSD 5.5, OpenBSD 5.4, OpenBSD 5.3 shipped it.
show network status
Flags it lists
-
-A -
-B -
-F -
-I -
-M -
-N -
-P -
-T -
-W -
-a -
-b -
-c -
-d -
-f -
-g -
-h -
-i -
-l -
-m -
-n -
-p -
-q -
-r -
-s -
-t -
-u -
-v -
-w