Liquid Template Variables - request
From Spiffy Stores Knowledge Base
The liquid template variable request has the following attributes:
request.host
Returns the host name portion of the URL request.
For example, if we go to http://storedemo.spiffystores.com, then the request.host returns:
storedemo.spiffystores.com
request.remote_ip
Returns the IP address of the client accessing the page.