grepcidr(1) on Linux
The text 118daaf1b051, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
Filter IPv4 and IPv6 addresses matching CIDR patterns
Flags it lists
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-V -
-c -
-e -
-f -
-i -
-s -
-v -
-x