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ASN is your Autonoumous System Number, which is something you have if you are multi-homed and use BGP. It is also something you have when you are on your own IP space. Having your own IP space is VERY important. It means you are truly carrier neutral.
I'll admit we still have some old legacy ips borrowed from providers in the past, however they only stay because the customers dont want to renumber.
Sorta their choice.
I just needed to point that out so that these small guys with no routers of their own and etc can be put in their place in the scale of things.
I would love to see if they have a 6509 of their own for example, a 60k investment just for core switching.
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