On Sun, May 04, 2003 at 12:13:22PM -0700, mario wrote: > I run a nightly script that diffs these against yesterdays version. > http://www.rfc-editor.org/rfc/rfc3330.txt RFCs don't change. > http://www.iana.org/assignments/ipv4-address-space This should be the only file you need to watch.