route(8) on Linux
The text 20c7f2e40bc0, as Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze), Debian 5.0 (Lenny) shipped it.
show / manipulate the IP routing table
Flags it lists
-
-A -
-C -
-F -
-e -
-host -
-n -
-net -
-v