On Feb 11, 2011, at 3:44 PM, Michael Dillon wrote: > Not true. Two of my former employers went to ARIN every year or two and > received blocks around a /16 in size, specifically for use on global IP > networks > that did not intend to ever announce those addresses on the Internet. There > are several other companies which operate somewhat similar networks. > > Also, "announce to the Internet" doesn't mean what you think it does.
Exactly. Further, just because it's announced doesn't mean it's reachable or even connected. Cheers, -Benson