>I made a mistake in the original email, we own the /16, but there are a
>bounch of /24 which we got from our ISP. We are not globally routing the
>/16, so this makes the story different. We just need to replace those /24s
>from the new ISP, probably get something continious. I guess the big concern
>is DNS, we will need the change the active time to about 10mins and wait
>till it spreads out before the actual cut-over, so that our down time will
>be minimized.
>
>
>JP
It would sound like a much more rational approach is to renumber your
internal hosts into private address space, and advertise the /16, not
using ISP space at all.
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