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<div>On Nov 25, 2014, at 12:38 PM, Brian Rak <<a href="mailto:brak@gameservers.com">brak@gameservers.com</a>> wrote:</div>
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<a class="moz-txt-link-freetext" href="http://whois.arin.net/rest/net/NET-65-127-10-168-1/pft" style="color: purple; text-decoration: underline;">http://whois.arin.net/rest/net/NET-65-127-10-168-1/pft</a><br>
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Checking the start IP and end IP is not sufficient.<br>
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I've been down the path you're going. The best solution I found is:<br>
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* Use /rest/report/reassignment/ROOT to get a list of all the reassignments for a particular network (it'll be in xls format, you need to convert it to something you can parse).<br>
* Go through the list, issue DELETE's for any subnets that are not in your database<br>
* Wait awhile (5-10 minutes)<br>
* Go through and issue reassignments for any subnets that are new or that ARIN doesn't know about.<br>
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It's a large pain to get all the logic working correctly here, but if you don't do it you'll be running into overlaps and other errors forever.<br>
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<div>Brian,</div>
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<div>I agree. What you have described is painful. And it is not the first time this has been pointed out.</div>
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<div>Though a few suggestions have been made informally over the years, they’ve never reached much consensus and there has not been a request that ARIN implement them.</div>
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<div>So that we can address these issues, here is what I propose. I will create specification document outlining new methods and payloads for Reg-RWS, and I will send it to this list for discussion and to get your collective input. Once we have a document we
agree will address these issues, it can be put forward as a request for ARIN implementation.</div>
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<div>Does this sound like a workable path forward?</div>
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<div>Andy Newton,</div>
<div>Chief Engineer, ARIN</div>
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