You are writing some help guides about IPv6 to be read by technical users on the internet. What IP range should you use in your examples?

You are writing some help guides about IPv6 to be read by technical users on the internet. What IP range should you use in your examples?

• 2003:da4::/32
• 2001:db8::/32
• f000::/8
• 3eef::/16 

EXPLANATION

The address range 2001:db8::/32 is allocated for use in documentation such as manuals and examples.
It should not be used on the live internet and should not be routable. Please see RFC 3849 https://tools.ietf.org/html/rfc3849 and RFC 5737: https://tools.ietf.org/html/rfc5737

SOURCE

https://tools.ietf.org/html/rfc5737