Re: Comparing first 3 numbers of a IPv4 address?

Alexander Farber <alexander(dot)farber(at)gmail(dot)com> writes:
> 1) if I'd like to compare just the first 3 numbers of
> the IP address instead of the 4, how can I do it?

regression=# select network(set_masklen('123.45.67.42'::inet, 24)) =
regression-# network(set_masklen('123.45.67.56'::inet, 24));
?column?
----------
t
(1 row)

regards, tom lane