On Wed, Feb 11, 2015 at 11:12 AM, Peter Vince <[email protected]> wrote:
> Class E addresses?  Presumeably the first nybble of the 32-bit IP4 address
> is an E ("1110"), ie 224.xxx.xxx.xxx ?  Are these reserved in the same way
> that 192.168.xxx.xxx and 10.10.xxx.xxx appear to be?

Look at the table of address space allocations:
https://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml
You'll find all the necessary references there.

> and mention of A, AAA, and AAAA means nothing to me :-(
A and AAAA are types of DNS resource records containing IPv4 and IPv6
addresses respectively.

-k
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