172.16.0.0/21		554 match bad netblock 172.16.0.0/21
172.16.8.0/21		554 match bad netblock 172.16.8.0/21
172.16.0.0/16		554 match bad netblock 172.16.0.0/16
172.17.1.1		554 match bad naked address
172.16.1.3/21		whatever
172.16.1.3/33		whatever
172.999.0.0/21		whatever
172.16.1.999		whatever
172.16.1.4
2001:240:5c7:0:2d0:b7ff:fe88:2ca7 match 2001:240:5c7:0:2d0:b7ff:fe88:2ca7
2001:240:5c7::/64	match netblock 2001:240:5c7::/64
1.0.0.0/0		match 0.0.0.0/0
0.0.0.0/0		match 0.0.0.0/0
1::/0			match ::/0
::/0			match ::/0
[1234			foo
[1234]junk		bar
172.16.1.3/3x		whatever