On Aug 5, 2016, at 8:52 AM, Mark Tinka <mark.tinka@seacom.mu> wrote:
On 5/Aug/16 15:40, Soon Keat Neo wrote:
If you are just announcing more specific address space that you've obtained legitimately off their assigned address space, it should be no problem, just obtain an LoA and register it on the different databases and you should be set to ask your upstreams to allow the announcements.
Do people actually do this? A customer asked us to do this for them and we refused, because inconsistent AS has never been a thing.
I'm apprehensive about a subnet and its aggregate appearing from multiple AS's at the same time. But, I'm old school, so...
Mark.
Yes, this is quite prevalent. For example a popular resolver within prefix 8.8.8.0/24 (and also 8.8.4.0/24) has 8.0.0.0/9 advertised by 3356. Theodore Baschak - AS395089 - Hextet Systems https://ciscodude.net/ - https://hextet.systems/ https://theodorebaschak.com/ - http://mbix.ca/