<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">And how long do you think it's going to take for us to transition to IPv6, given consumer level CPE <b>still</b> isn't currently available? 2015 is still scary close..<div><br></div><div><div><div>On 20/01/2010, at 6:47 PM, Noel Butler wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">
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On Tue, 2010-01-19 at 23:16 -0800, Scott Howard wrote:<br>
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Not that I disagree with what they are trying to achieve here, but the math here is a bit iffy, depending on what you consider as "available".<br>
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Personally I'd consider the "available" address to be 1/8 through 223/8, probably excluding 127/8, and possibly even excluding the various RFC1918 blocks.<br>
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At most that gives 223 /8's, probably closer to 221.<br>
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Based on <a href="http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml">http://www.iana.org/assignments/ipv4-address-space/ipv4-address-space.xhtml</a>, there are a total of 24 /8's still unallocated by IANA. Even then it's a matter of who's perspective you look at - 1/8 and 27/8 are "allocated" from IANA's perspective, but I'm presuming they are completely unallocated from APNIC's perspective.<br>
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So IMHO we're not down to 10% yet, but of course to a certain extent the difference between 10% and even 15% isn't that significant...<br>
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Yep, and I still stand by at _LEAST_ 2015 before we seriously get close to looking like running out of ipv4, maybe longer than that.<br>
There's around 400 million IP's stilll up for grabs.<br>
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