Broadcast address leased to a client

[Andy Hood]

>subnet 192.168.62.16 netmask 255.255.255.240 {
>         range 192.168.62.20 192.168.62.31;
>         host kikin {
>                 fixed-address 192.168.62.20;
>                 hardware ethernet some MAC;
>         }

This is also a no-no. Range statements must not include static assignments.
So you either change kikin's address to be below .20, or change the range
statement to:

range 192.168.62.21 192.168.62.30;

which also fixes the broadcast address issue