New IPv6 Documentation Prefix
After years of debate, a new IPv6 documentation prefix, 3fff::/20, has been established, replacing the old 2001:db8::/32 prefix.
MAIN POINTS
- The new IPv6 documentation prefix is 3fff::/20.
- This change is documented in RFC 9637.
- The previous prefix was 2001:db8::/32.
- Public IPv6 address space should no longer be used in examples.
TAKEAWAYS
- The change reflects a consensus after extensive discussions since 2013.
- RFC 9637 formalizes the new documentation prefix.
- The new prefix provides a larger address space for documentation.
- This update aims to prevent misuse of public IPv6 addresses in documentation.