in-addr problems

Has anyone noticed lately that there have been a lot of problems getting
in-addr information on ip addresses? At first I thought it was


problem with, but it appears to be on the MSN/UUNet
side. We've had numerous customers of theirs complain that they could


get to some of our sites, or that it was taking a lot longer than usual.
We looked at the logs, and sure enough, we're getting "refused connect