face:b00c::

Quote from http://arstechnica.com/tech-policy/news/2011/02/tech-giants-to-enable-ipv6-on-world-ipv6-day-in-june.ars

       Facebook has www.v6.facebook.com—with address 2620:0:1cfe:face:b00c::3. Ah, hexadecimal humor.

Funny.