Policy Statement on Address Space Allocations
Forrest W. Christian forrestc at imach.com
Fri Jan 26 09:21:16 CET 1996
Here's an interesting thought on the whole thing... I've sort of noticed that the opinion of several people is that the way that the internic allocates IP numbers is "space efficient". CIDR routing on the other hand is considered "routing table efficient". I felt like digging through 205.* and 206.*, at least at the start. I did a whois on 205.0.0.0 and then looked at the last used # in the allocated block, and then did a whois on that #. For CIDR blocks, I was jumping over the entire block, as listed in the whois. >From this it looks like the internic is allocating a large number of prefixes longer than /18. Am I wrong in stating that (assuming that Sprint's policy is unchangable) any IP numbers allocated with a prefix longer than /19 in 205 and /18 in 206 is essentially wasted space, which is unusable, at least if you want connectivity with sprint? If this is the case, then I'd imagine that the allocation policies of certain registries (most notably the internic) of netblocks smaller than /18 is very address space inefficient. -forrestc at imach.com
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