<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On May 10, 2011, at 4:16 PM, Mike Burns wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div bgcolor="#ffffff" style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><font size="2" face="Arial">Hi Owen, replies in bold.</font></div><blockquote style="border-left-color: rgb(0, 0, 0); border-left-width: 2px; border-left-style: solid; padding-left: 5px; padding-right: 0px; margin-left: 5px; margin-right: 0px; "><div style="font: normal normal normal 10pt/normal arial; ">Presumably you got the /18 under NRPM 4.2.</div><div><br></div><div>Specifically, under 4.2. Efficient utilization is covered under 4.2.2.1.2 which state:</div><div><br></div><div><span class="Apple-style-span" style="line-height: 19px; font-family: arial, helvetica, sans-serif; font-size: 12px; "><h6 class="h7" style="padding-bottom: 0px; border-right-width: 0px; background-color: transparent; margin-top: 0.5em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; padding-left: 0px; padding-right: 0px; border-top-width: 0px; border-bottom-width: 0px; color: rgb(0, 0, 0); font-size: 11px !important; vertical-align: baseline; border-left-width: 0px; font-weight: bold; padding-top: 0px; background-origin: initial; background-clip: initial; "> </h6><div style="padding-bottom: 0px; line-height: 1.5em; border-right-width: 0px; background-color: transparent; margin-top: 0.5em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; padding-left: 0px; padding-right: 0px; border-top-width: 0px; border-bottom-width: 0px; font-size: 1.2em; vertical-align: baseline; border-left-width: 0px; padding-top: 0px; background-origin: initial; background-clip: initial; ">Demonstrate efficient use of IP address space allocations by providing appropriate documentation, including assignment histories, showing their efficient use. ISPs must provide reassignment information on the entire previously allocated block(s) via SWIP or RWhois server for /29 or larger blocks. For blocks smaller than /29 and for internal space, ISPs should provide utilization data either via SWIP or RWhois server or by using the table format described in Section 4.2.3.7.5</div><div style="padding-bottom: 0px; line-height: 1.5em; border-right-width: 0px; background-color: transparent; margin-top: 0.5em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; padding-left: 0px; padding-right: 0px; border-top-width: 0px; border-bottom-width: 0px; font-size: 1.2em; vertical-align: baseline; border-left-width: 0px; padding-top: 0px; background-origin: initial; background-clip: initial; "><font size="2"></font> </div><div style="padding-bottom: 0px; line-height: 1.5em; border-right-width: 0px; background-color: transparent; margin-top: 0.5em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; padding-left: 0px; padding-right: 0px; border-top-width: 0px; border-bottom-width: 0px; font-size: 1.2em; vertical-align: baseline; border-left-width: 0px; padding-top: 0px; background-origin: initial; background-clip: initial; "><font size="2"></font> </div><div style="padding-bottom: 0px; line-height: 1.5em; border-right-width: 0px; background-color: transparent; margin-top: 0.5em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; padding-left: 0px; padding-right: 0px; border-top-width: 0px; border-bottom-width: 0px; font-size: 1.2em; vertical-align: baseline; border-left-width: 0px; padding-top: 0px; background-origin: initial; background-clip: initial; "><font size="2"><strong>The section you reference is entirely under the heading for section 4.2:</strong></font></div><div style="padding-bottom: 0px; line-height: 1.5em; border-right-width: 0px; background-color: transparent; margin-top: 0.5em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; padding-left: 0px; padding-right: 0px; border-top-width: 0px; border-bottom-width: 0px; font-size: 1.2em; vertical-align: baseline; border-left-width: 0px; padding-top: 0px; background-origin: initial; background-clip: initial; "><h4>4.2. Allocations to ISPs (Requirements for Requesting Initial Address Space)</h4><div><font size="2"><strong>It refers explicitly to the requirements for requesting initial space, not for some ongoing utilization requirement.</strong></font></div><div><font size="2"></font> </div><div><font size="2"></font> </div></div><div style="padding-bottom: 0px; line-height: 1.5em; border-right-width: 0px; background-color: transparent; margin-top: 0.5em; margin-right: 0px; margin-bottom: 0.5em; margin-left: 0px; padding-left: 0px; padding-right: 0px; border-top-width: 0px; border-bottom-width: 0px; font-size: 1.2em; vertical-align: baseline; border-left-width: 0px; padding-top: 0px; background-origin: initial; background-clip: initial; "><font size="2"></font> </div></span><div><br></div>As such, if you can no longer demonstrate efficient use of your IP address space allocations,</div><div>you would no longer be in compliance with this section.</div><div><br></div><div><br><blockquote type="cite"><div>Is there a policy which says that once allocated, addresses must continue to be used?<br>Where is that policy?<br><br></div></blockquote>I believe ARIN would apply the same criteria as are required for justifying a request on an ongoing</div><div>basis. That has always been my understanding from staff and there has been no indication that</div><div>has changed.</div><font size="2" face="Arial"></font></blockquote><blockquote style="border-left-color: rgb(0, 0, 0); border-left-width: 2px; border-left-style: solid; padding-left: 5px; padding-right: 0px; margin-left: 5px; margin-right: 0px; "><div><font size="2" face="Arial"><strong>But where is that in the NRPM?</strong></font></div><div><strong><font size="2" face="Arial"></font></strong> </div><div><strong><font size="2" face="Arial">Regards,</font></strong></div><div><strong><font size="2" face="Arial">Mike</font></strong></div><div><strong><font size="2" face="Arial"></font></strong> </div><div><font size="2" face="Arial"></font> </div><div><font size="2" face="Arial"></font> </div></blockquote></div></span></blockquote></div>It may not be, but, I believe that is ARIN's interpretation.<div><br></div><div>Hopefully John can clarify this one way or the other. If it isn't in the NRPM, I'm betting that adding</div><div>it will come to consensus relatively easily.</div><div><br></div><div>Owen</div><div><br></div></body></html>