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On 21 Mar 2022, at 7:29 PM, John Curran <<a href="mailto:jcurran@arin.net" class="">jcurran@arin.net</a>> wrote:<br class="">
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On 21 Mar 2022, at 7:13 PM, Jay Hennigan <<a href="mailto:jay@impulse.net" class="">jay@impulse.net</a>> wrote:<br class="">
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<div class="">On 3/21/22 16:03, Mike Burns wrote:<br class="">
<blockquote type="cite" class="">Hi Martin,<br class="">
We once saw an ipv4 block included among hardware as part of a third party lease.<br class="">
That happened years ago and really was a one-off. Generally nobody will recognize IPv4 blocks as assets.<br class="">
That leaves leasing-out addresses by incumbent address holders as the only effective financing mechanism.<br class="">
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I'm curious if ARIN has put any thought into how encouraging leasing will affect the practice of spammers and other bad actors leasing IPv4 space, turning it into a DNSBL wasteland, lather, rinse, repeat.</div>
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<div class="">Jay - </div>
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<div class="">There’s often quite a bit of work involved in getting a prefix off most blocklists, so the burden will be fall to the lessor to explain why a given recently-polluted prefix should be removed and won’t just be let out to the same (or materially
similar) party <span style="font-size: 11px;" class="">– i.e. some folks may get away with that once, but it’s very likely to work a second time. </span></div>
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<div>My bad - that should have read: "it’s very _unlikely_ to work a second time."</div>
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<div>Apologies,</div>
<div>/John</div>
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<div>John Curran</div>
<div>President and CEO</div>
<div>American Registry for Internet Numbers</div>
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