[arin-ppml] Draft Policy ARIN-2021-3: Private AS Number and Unique Routing Policy Clarifications

William Herrin bill at herrin.us
Wed Jul 21 23:02:37 EDT 2021

On Wed, Jul 21, 2021 at 7:33 PM Martin Hannigan <hannigan at gmail.com> wrote:
> On Wed, Jul 21, 2021 at 8:39 PM William Herrin <bill at herrin.us> wrote:
>> On Tue, Jul 20, 2021 at 12:52 PM ARIN <info at arin.net> wrote:
>> > “Private ASNs should be used only when there is no plan to use them on the public Internet.”
>> This is factually incorrect. It's uncommon but legitimate practice to
>> employ a private AS number which is dropped from the path by your
>> upstream provider.
> Practically, I don’t agree. But I don’t ever recall seeing it. Im my experience, private ASN use is rare.

Hi Martin,

vultr.com uses private AS 64515 to simplify their customer BGP
configuration process.


Now you've seen it.

Bill Herrin

William Herrin
bill at herrin.us

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