ping6(8) on macOS
The text 0dfc98fdadf2, as Mac OS X 10.6.8, Mac OS X 10.6.7, Mac OS X 10.6.6, Mac OS X 10.6.5, Mac OS X 10.6.4, Mac OS X 10.6.3, Mac OS X 10.6.2, Mac OS X 10.6.1, Mac OS X 10.6 shipped it.
send ICMPv6 ECHO_REQUEST packets to network hosts
Flags it lists
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-H -
-I -
-N -
-P -
-S -
-W -
-a -
-b -
-c -
-d -
-f -
-g -
-h -
-i -
-l -
-m -
-n -
-o -
-p -
-q -
-s -
-t -
-v -
-w -
-z