etc/networks

   1 #       @(#)networks    5.1 (Berkeley) 6/30/90
   2 #
   3 # Your Local Networks Database
   4 #
   5 your-net        127                             # your comment
   6 your-netmask    255.255.255                     # subnet mask for your-net
   7
   8 #
   9 # Your subnets
  10 #
  11 subnet1         127.0.1         alias1          # comment 1
  12 subnet2         127.0.2         alias2          # comment 2
  13
  14 #
  15 # Internet networks (from nic.ddn.mil)
  16 #