North American Network Operators Group|
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On Oct 18, 2007, at 3:22 PM, Joe Greco wrote:
Fixing devices so that they can accept 240/4 is a software fix that can be done with a binary patch and no additional memory. And there are a _lot_ of these devices.
I'm not sure what the problem is. If a machine isn't upgraded to support 240/4, then you can't talk to it. I would imagine an ISP could (for example) ensure its routers could handle 240/4 and then configure those routers to use 240/4 for their loopback addresses, thereby reducing that ISP's need of "regular" space (be it public or private).
If someone is suggesting IANA allocate 240/4 to the RIRs as "regular" /8s for subsequent allocations to ISPs or end users, they're deeply confused.