On Thu, 2013-08-01 at 01:10 -0700, Amanda Baber wrote: > Hi, > > The link in RFC3315 is actually incorrect -- it should have been > http://www.iana.org/assignments/enterprise-numbers, without the file > extension, and there's an erratum about this. HTML was generally (if > not exclusively) reserved for files that needed to include links to > registration forms . Nonetheless, it's an existing URL in an immutable published RFC. Once such a thing has been published, right or wrong, best practice is to make sure it remains valid.