All that is there is:
Copyright © 1993-2009 Microsoft Corp.
This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
This file contains the mappings of IP addresses to host names. Each
entry should be kept on an individual line. The IP address should
be placed in the first column followed by the corresponding host name.
The IP address and the host name should be separated by at least one
Additionally, comments (such as these) may be inserted on individual
lines or following the machine name denoted by a ‘#’ symbol.
188.8.131.52 rhino.acme.com # source server
184.108.40.206 x.acme.com # x client host
localhost name resolution is handled within DNS itself.