127.0.0.1	localhost localhost.localdomain
198.51.100.1	isp
198.51.100.100	client1
198.51.100.200	client2
203.0.113.200	www.empresa.com balancer
10.1.1.1	srv1 server1
10.1.1.2	srv2 server2
10.1.1.3	srv3 server3


::1     ip6-localhost ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts
