route(8) on OpenBSD
The text b9fa2cfe5f6f, as OpenBSD 7.3 shipped it.
manually manipulate the routing tables
Flags it lists
-
-T -
-blackhole -
-cloning -
-d -
-host -
-ifa -
-iface -
-ifp -
-inet -
-inet6 -
-label -
-link -
-llinfo -
-mpath -
-mpls -
-n -
-net -
-netmask -
-nostatic -
-prefixlen -
-priority -
-proto1 -
-proto2 -
-q -
-reject -
-sa -
-static -
-t -
-v