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250 million-plus unused IPv4 addresses should be left alone, argues network boffin • The Register (www.theregister.com)
submitted 2 days ago by ruffsl@programming.dev to c/networking@programming.dev
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Tests show it's just too hard to put the unused 240/4 block to work

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[-] 0x0@programming.dev 9 points 2 days ago

While Linux can happily handle that zone as a source of or destination for traffic, most networking equipment deliberately doesn't recognize its existence – and those boxes can't easily be upgraded.

[-] ruffsl@programming.dev 1 points 2 days ago

Any particular reason that those OEMs made that decision when releasing those boxes? Was that range blacklisted in firmware because of the legacy specification? I thought the spec just forebode range's public allocation, but not necessarily its internal use.

[-] 0x0@programming.dev 3 points 2 days ago

I think that's what it means: that firmware respects the spect and doesn't route that range – I doubt you wouldn't be able to use it on your LAN.

this post was submitted on 16 Sep 2024
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