Internet Exchange route servers would be another case that would appear unused to the broader internet, but shouldn't use a private ASN.
On 03/01/18 14:40, Christopher Morrow wrote: > On Tue, Jan 2, 2018 at 5:46 PM, James Breeden <ja...@arenalgroup.co> wrote: > >> >> I'm amazed at the number of AS numbers that are assigned, but not actively >> being used. > > > 'not actuvely being used' ... how would you (or anyone) know? what if they > were used only on some internal part of a large public network which never > leaked beyond their borders/uses? What if the ASN is used on a large > private network? (for instance.. where I know of several such things). > > -chris > (mark andrews makes this same, valid, point) >
