etc/hosts

   1 # /etc/hosts
   2 127.0.0.1       localhost
   3
   4 # inet6-apps adds these special IPv6 addresses
   5 ::1             ipv6-localhost ipv6-loopback
   6
   7 fe00::0         ipv6-localnet
   8
   9 ff00::0         ipv6-mcastprefix
  10 ff02::1         ipv6-allnodes
  11 ff02::2         ipv6-allrouters
  12 ff02::3         ipv6-allhosts
  13