Last month, this Host/IP behaved itself after requesting robots.txt where it's Disallowed. This month? equested, and ignored:
184.108.40.206 is a.k.a. irongrove.net [robtex.com
"Goldfire Server" is not a completely uncommon UA (although I reckon it's wrongly configured when it's the UA). So why is shell.com spidering, I wonder? SERPs from 2000-2005 suggest it was an employee-accessed server, or some such. [g6ftpserver.com
...] Now? Dunno. Anyone else seeing this?