On 16/10/2012 11:37, Lowe, Richard B wrote:

Kind of like the 192.0.2.1/32 for IPv4, huh?

no - 192.0.2.0/24 is formally "TEST-NET-1, documentation and examples", like 2001:db8::/32. 100::/64 is specifically for discard and analysis style RTBHs. I.e. for ipv6, you can now keep your documentation prefixes on your documentation. Nick

RFC: 5635

-----Original Message----- From: Nick Hilliard [mailto:nick@foobar.org] Sent: Sunday, October 07, 2012 6:40 AM To: nanog@nanog.org Subject: Re: 100.100.0.0/24

On 07/10/2012 00:34, Randy Bush wrote:

...

ipv6 route 2001:DB8:0:DEAD:BEEF::1/128 Null0

plug: rfc 6666.

100::/64 is reserved for this purpose.

Nick