Redes - No aparece mi dirección IP al hacer ping

allow from all #significa permitir todo  las conexiones verica tu configuracion de apache.

<Directory "c:/wamp/www">

    #

    # Possible values for the Options directive are "None", "All",

    # or any combination of:

    #   Indexes Includes FollowSymLinks SymLinksifOwnerMatch ExecCGI MultiViews

    #

    # Note that "MultiViews" must be named *explicitly* --- "Options All"

    # doesn't give it to you.

    #

    # The Options directive is both complicated and important.  Please see

    # http://httpd.apache.org/docs/2.4/mod/core.html#options

    # for more information.

    #

    Options Indexes FollowSymLinks

    #

    # AllowOverride controls what directives may be placed in .htaccess files.

    # It can be "All", "None", or any combination of the keywords:

    #   AllowOverride FileInfo AuthConfig Limit

    #

    AllowOverride All

    #

    # Controls who can get stuff from this server.

    #

#    Require all granted

#   onlineoffline tag - don't remove

     Order Deny,Allow

     Allow from all

     Allow from 127.0.0.1

     Allow from ::1

     Allow from localhost

</Directory>