What is this? Is it rash or something?

In near my penis have something like white color rash since 3 months ago, check below images.

Can anyone exaplain me what is this? And any treatment for this?

Thanks

Moderator comment:I have deleted the links to the images as they went to a site unsuitable for inclusion in the forums. Users can upload images directly to this site by using the icon at the top right of reply boxes.

The image has been deleted