I use netmask to calculate with IP-Numbers like $ netmask 192.168.0.0:+1 192.168.0.0/31 $ netmask 192.168.0.0:+-1 192.167.255.255/32 192.168.0.0/32 This fails with IPv6: $ netmask fa00:::+1 netmask: parse error "fa00:::+1" $ netmask fa00:::+-1 netmask: parse error "fa00:::+-1" Cord
Hi Cord, (Here is upstream's (CC'ed) response.) Cheers,