route(8) on macOS
The text 0656d196c630, as Mac OS X 10.1.5, Mac OS X 10.1.4, Mac OS X 10.1.3, Mac OS X 10.1.2, Mac OS X 10.1.1, Mac OS X 10.1, Mac OS X 10.0.4, Mac OS X 10.0.3, Mac OS X 10.0.2, Mac OS X 10.0 shipped it.
manually manipulate the routing tables.
Flags it lists
-
-n -
-q -
-v