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FW: [arin-announce] Change to Whois Query Behavior
- Subject: FW: [arin-announce] Change to Whois Query Behavior
- From: markk at arin.net (Mark Kosters)
- Date: Tue, 20 Sep 2011 18:20:12 +0000
- In-reply-to: <[email protected]>
Apologies for the cross post from ARIN-Announce. Thought that many of you
would be interested in hearing about the upcoming ARIN Whois change given
the recent discussion on NANOG.
Regards,
Mark
ARIN CTO
On 9/19/11 2:00 PM, "ARIN" <info at arin.net> wrote:
>ARIN announces a pending change to Whois query behavior on port 43.
>
>Prior to 25 June 2011, a query for an IP address in the ARIN region
>would return with that assignment/allocation within the ARIN region, and
>a query in the ARIN region for an IP address with no
>assignment/allocation would result in a ?no match? response. On 25 June,
>a change was misapplied. The intent of this change was to return ARIN?s
>/8 for IP queries within ARIN?s region for which there is no
>assignment/allocation, a behavior meant to align ARIN?s Whois output
>with that of the other RIRs. However, this change introduced an
>unintended behavior of returning ARIN?s /8, in addition to the desired
>results, in responses where IP addresses had been assigned or allocated.
>This change in behavior has created some confusion. On 2 October, ARIN
>will reinstate the previous behavior for Whois IP queries so that
>results are returned the way they were before 25 June.
>
>ARIN has provided two examples of a Whois query for reference:
>
>* Query with ARIN's /8 returned in the result set hierarchy:
>https://www.arin.net/announcements/2011/20110919.html#example1
>
>* Query without ARIN's /8 returned in the result set:
>https://www.arin.net/announcements/2011/20110919.html#example2
>
>Whois-RWS behavior will not change as it was not affected by the
>configuration change made on 25 June.
>
>We apologize for any confusion this has caused.
>
>
>
>Regards,
>Mark Kosters
>Chief Technical Officer
>American Registry for Internet Numbers (ARIN)
>_______________________________________________
>ARIN-Announce
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