ISPs are SUPPOSED to allocate a /64 for a single customer. Mine does, so I have ... | Hacker News

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porbelm on Jan 23, 2024 | parent | context | favorite | on: Tell HN: Hacker News now supports IPv6

ISPs are SUPPOSED to allocate a /64 for a single customer. Mine does, so I have 4.5 billion available addresses within my 2001:4653:nnnn:nnnn::/64 prefix...

cesarb on Jan 23, 2024 | [–]

> ISPs are SUPPOSED to allocate a /64 for a single customer.

Weren't they supposed to allocate a /48? Or did that change while I wasn't looking?

greyface- on Jan 23, 2024 | | [–]

> Or did that change while I wasn't looking?

Yes: https://datatracker.ietf.org/doc/html/rfc6177

ptman on Jan 23, 2024 | [–]

  2^32 is ~4.3*10^9

  2^64 = 2^32 * 2^32 , so quite a bit more

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