127.0.0.1,::1,00:00:00:00:00:00,Loopback
1.1.1.1,2000:0001:3333::1,00:00:00:00:00:11,
1.1.1.1,,00:00:00:00:00:11,example1
,::1,00:00:00:00:11:22,example2
37.35.3.3,,00:22:33:22:22:22,
