lft(8) on Linux
The text a472b97b822b, as Debian 3.1 (Sarge) shipped it.
display the route packets take to a network host/socket; optionally show heuristic network information in transitu
Flags it lists
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-A -
-D -
-E -
-H -
-M -
-N -
-S -
-T -
-V -
-a -
-d -
-i -
-m -
-n -
-q -
-s -
-v