Odd referrers

What the heck is this?

[walrus]

I was checking webtrends report and saw this.

[examplemysite.com:1099...]

It shows as a folder on my site.
really odd...
Anyone else?

[dcrombie]

Looks like someone has an intranet (not publically accessible) site that links to you. The URL will only work from inside their network.