nanog mailing list archives

Re: CC: s to Non List Members (was Re: 202203080924.AYC Re: 202203071610.AYC Re: Making Use of 240/4 NetBlock)


From: "John R. Levine" <johnl () iecc com>
Date: 8 Mar 2022 21:06:50 -0500

The only way IPv6 will ever be ubiquitous is if there comes a time where
there is some forcing event that requires it to be.

Unless that occurs, people will continue to spend time and energy coming up
with ways to squeeze the blood out of v4 that could have been used to get
v6 going instead.

I agree. There is a great deal of unused or underused v4 space that increasing prices have found and even if the long term cost of setting up v6 is lower, it's more than the short term cost to buy another v4 block.

This still doesn't mean that screwing around with 240/4 or, an even worse 127/8 minus 127/24, is a good idea.

Regards,
John Levine, johnl () taugh com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly


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