Yo, Bill (sleepy)
> I know of 323 IXes today. > http://www.pch.net/documents/data/exchange-points/ep-in-addrs.xls Well, this is one place where we diverge... :) I'd state that there are 323 prefixes in use at exchanges but that there are somewhat fewer switch fabrics in place, e.g. a single switch fabric can & does host more than one prefix. > -Bill -- bill (grumpy)