[dns-operations] [16-31].172.in-addr.arpa and 168, .192.in-addr.arpa no longer delegated

Joe Abley jabley at hopcount.ca
Sat Apr 9 19:11:10 UTC 2011

On 2011-04-09, at 14:10, Chris Thompson wrote:

> It used to be that the zones
> 10.in-addr.arpa
> 16.172.in-addr.arpa - 31.172.in-addr.arpa
> 168.192.in-addr.arpa
> were delegated to blackhole-1.iana.org & blackhole-2.iana.org as part
> of the AS112 project.

Responses from whois.arin.net (ARIN manages 172/8 and 192/8, at least as far as IN-ADDR.ARPA delegations are concerned) contain the right nameservers. I have dropped a note to ARIN to let them know that the delegations seem to have disappeared.

10.IN-ADDR.ARPA is managed by IANA by virtue of the fact that IANA publishes the IN-ADDR.ARPA zone. Your note (and my subsequent checks) suggest nothing is amiss, there.


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