ssh-keyscan(1) on FreeBSD
The text 129ef5cd161c, as FreeBSD 11.4-RELEASE, FreeBSD 11.3-RELEASE, FreeBSD 11.2-RELEASE, FreeBSD 11.1-RELEASE, FreeBSD 11.0-RELEASE, FreeBSD 10.4-RELEASE, FreeBSD 10.3-RELEASE shipped it.
gather ssh public keys
Flags it lists
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-4 -
-6 -
-H -
-T -
-c -
-f -
-p -
-t -
-v