route(8) on FreeBSD
The text 41841de9bf46, as FreeBSD 13.5-RELEASE, FreeBSD 13.4-RELEASE, FreeBSD 13.3-RELEASE shipped it.
manually manipulate the routing tables
Flags it lists
-
-4 -
-6 -
-d -
-j -
-n -
-q -
-t -
-v