The following lines were added (+) and removed (-):
* Due to "Round Robin DNS" the facebook.com domain does resolve to multiple IP addresses* Facebook may be migrated from one set of IP addresses to other sets at any given timeA source reports, "the main facebook website has the following IP addresses" www.facebook.com A INET 69.63.176.12 www.facebook.com A INET 69.63.176.13 www.facebook.com A INET 69.63.176.14 www.facebook.com A INET 204.15.20.25 www.facebook.com A INET 204.15.20.26 www.facebook.com A INET 69.63.176.11the following IP address ranges that appear to be associated with facebook: 69.63.176.1 - 69.63.191.255 204.15.20.1 - 204.15.23.255