route(8) on OpenBSD
The text 088675dbfe5c, as OpenBSD 4.1 shipped it.
manually manipulate the routing tables
Flags it lists
-
-T -
-d -
-encap -
-expire -
-inet -
-inet6 -
-ipx -
-link -
-mtu -
-n -
-q -
-sa -
-t -
-v