Same as the last post, a server with an old browser apparently has record of all the pages in a particular site and is scanning it, even though the software scanning the site cannot actually see the pages - they are blocked.
IP Address: 220.127.116.11
OrgName: GoDaddy.com, Inc.
Address: 14455 N Hayden Road
Address: Suite 226
NetRange: 18.104.22.168 - 22.214.171.124