00:d0:b7:df:ee:4a       192.168.1.100           Third column is a comment
00:d0:b7:16:0b:f9       192.168.1.64
00:d0:b7:16:0b:f9       192.168.1.66            There can be more than one IP
00:00:21:e9:fe:9a       192.168.2.56
00:08:c7:eb:22:6c       192.168.2.56            Also more than one MAC
192.168.16.147          00:04:76:18:a0:b9       Order doesn't matter
00:00:00:00:00:00       192.168.50.163          Zero MAC == any MAC
00:0d:61:76:ef:eb       0.0.0.0                 Zero IP == any IP
00:02:b3:60:50:9c       127.0.0.1               Known wrong IP == MAC blocked
00:0f:5b:83:30:0a       host.domain.tld         Hostnames resolved
00:00:00:00:00:00       192.168.4.0/24          Allow subnet
de:ad:be:ef:12:34       192.168.0.0/16          Block all other subnets
# 00:0c:6e:a0:f6:6d       192.168.1.254         Comment
+                                               Another comment