NetBSD-5.0.2/regress/sys/kern/ipf/regress/f4

block in from any to 1.1.1.1
pass in from any to 1.1.1.1
block in from any to 1.1.1.1/24
pass in from any to 1.1.1.1/24
block in from any to 1.1.1.1/16
pass in from any to 1.1.1.1/16
block in from any to 1.1.1.1/0
pass in from any to 1.1.1.1/0