Classless in-addr.arpa delegation

[Cricket Liu]

Nate Campi wrote:
> On Wed, Oct 30, 2002 at 03:26:34PM +0000, David Wilks wrote:
>> 
>> What is wrong with this approach for classless
>> in-addr.arpa delegation for smaller than class
>> C sub-nets?  This is so much simpler than
>> RFC2317.
> <snip>
> 
> Nothing is wrong with this, and in fact many people do just this:
> 
> [nate at slim:nate]$ nslookup 206.168.194.122
> Server:         127.0.0.1
> Address:        127.0.0.1#53
> 
> Non-authoritative answer:
> 122.194.168.206.in-addr.arpa    canonical name =
> 122.194.168.206.nxdomain.com. 122.194.168.206.nxdomain.com    name =
> bigmo.nxdomain.com 
> 
> This is still a classless delegation, just not an example used in
> RFC2317. I personally think it's more visually appealing then the CIDR
> or range subdomains, but not as informative.

This is actually mentioned in section 5.2 of the RFC.

cricket

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