Have you tried asking your ISP? If they see dishing out these kind of ranges for customers it stands to reason they would have someone who can recommend hardware for using them.
I'd call them up and see if they can help
Otherwise, a networking forum or even something like serverfault.com might have an answer.
I'd call them up and see if they can help
Otherwise, a networking forum or even something like serverfault.com might have an answer.