We check this website, now railpictures.net is up and dont blocked for our system and other users of the Internet.
So, answer to question: Is railpictures Down Right Now? - NO! railpictures is up!
If you have problem with access to site railpictures, and domain railpictures.net is not avalible.
Clear browser cache and/or try other web browser
(Chrome, Firefox or Safari).