Corrected and committed on the tcpdump.org CVS.

Loris

> 
> On Jul 6, 2004, at 9:43 AM, Gisle Vanem wrote:
> 
> > The definition of this macro in Win32/Include/ip6_misc.h seems to
> > be wrong. According to my Linux headers, it should be
> >
> > #define IN_EXPERIMENTAL(a)  \
> >     ((((long int) (a)) & 0xf0000000) == 0xf0000000)
> 
> To quote RFC 3330 "Special-Use IPv4 Addresses":
> 
>     224.0.0.0/4 - This block, formerly known as the Class D address
>     space, is allocated for use in IPv4 multicast address assignments.
>     The IANA guidelines for assignments from this space are described in
>     [RFC3171].
> 
>     240.0.0.0/4 - This block, formerly known as the Class E address
>     space, is reserved.  The "limited broadcast" destination address
>     255.255.255.255 should never be forwarded outside the (sub-)net of
>     the source.  The remainder of this space is reserved for future use.
>     [RFC1700, page 4]
> 
> so 0xfxxxxxxx is the "experimental" or "class E" space, and 0xexxxxxxx 
> is the multicast or "class D" space.
> 
> 
> 
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