[ih] The history of "This" 0.0.0.0/8 network?

[Dave Crocker]

On 2/12/2019 12:20 PM, Jack Haverty wrote:
> There
> were several different classes of IP address, each having different
> numbers of bits allocated for the network # and address within that
> network.

Since I wasn't involved with this work then, I wondered when classes 
were introduced.  And I found:


RFC 760, 1980:

> Source Address:  32 bits
> 
>     The source address.  The first octet is the Source Network, and the
>     following three octets are the Source Local Address.


RFC 791, 1981

> There are three formats or classes of internet
>     addresses: 


Since the Internet went into production use in 1983, that counts classes 
as in from the start, IMO.

d/
-- 
Dave Crocker
Brandenburg InternetWorking
bbiw.net