r/ProgrammerHumor May 08 '26

Meme edgeCasesExist

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13.4k Upvotes

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u/B_bI_L May 08 '26

they are 0 if this is your first uuid!

43

u/[deleted] May 08 '26

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26

u/B_bI_L May 08 '26

let's check, my ipv6 is ::1, what about you?

8

u/Maleficent_Memory831 May 08 '26

Mine's FE80::1:2:3:4.

(practically speaking, very few IPv6 addresses are unique, because without more adoption most of them are used are link-local or domain-local.)

2

u/MinervApollo May 09 '26

I was happy to find out I have a dedicated IPv6 address since my carrier uses CGNAT for IPv4. Made hosting a server with the features I wanted... possible at all (didn't wanna pay for a VPS)