administrativley scoped multicast addresses

From: John (jgarrison1@austin.rr.com)
Date: Fri Apr 25 2008 - 13:19:40 ART


Are they 224.0.0.0-239.255.255.255? I have a task that asks me to block all
administrativley scoped multicast addresses. The solution uses the following
access-list for multicast boundry

deny 239.0.0.0 0.255.255.255
permit 224.0.0.0 15.255.255.255

So now I'm a little confused which is it?

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