ipset(8) on Linux
The text 445154bfcb81, as Debian 11 (Bullseye) shipped it.
administration tool for IP sets
Flags it lists
-
-! -
-exist -
-f -
-file -
-n -
-name -
-q -
-quiet -
-r -
-resolve -
-s -
-sorted -
-t -
-terse