"Vadim I. Passynkov" <pvi(at)axxent(dot)ca> writes:
> spidermon=# SELECT text ( netmask ( '192.168.1.1/28' ) );
> text
> --------------------
> 255.255.255.240/32 - ??????
> (1 row)
That's what it's defined to do. See
http://www.ca.postgresql.org/users-lounge/docs/7.1/postgres/functions-net.html
regards, tom lane