this post was submitted on 17 Sep 2025
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[–] Dumhuvud@programming.dev 80 points 3 months ago (4 children)

/64

That's not an address, that's a whole fucking subnet consisting of 2^64 different addresses. ☝️🤓

[–] LaggyKar@programming.dev 32 points 3 months ago* (last edited 3 months ago)

It is a single address with an associated subnet mask, indicating what subnet the address is in.

The subnet would be 3fff:a1:1ab:bc67::/64, for the top one.

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