www.youtube.com is an alias for youtube-ui.l.google.com.
youtube-ui.l.google.com has address 74.125.128.136
youtube-ui.l.google.com has address 74.125.128.93
youtube-ui.l.google.com has address 74.125.128.91
youtube-ui.l.google.com has address 74.125.128.190
youtube-ui.l.google.com has address 74.125.143.91
youtube-ui.l.google.com has address 74.125.143.136
youtube-ui.l.google.com has address 74.125.143.93
youtube-ui.l.google.com has address 74.125.143.190
youtube-ui.l.google.com has address 173.194.69.91
youtube-ui.l.google.com has address 173.194.69.136
youtube-ui.l.google.com has address 173.194.69.190
youtube-ui.l.google.com has address 173.194.69.93
youtube-ui.l.google.com has address 173.194.79.93
youtube-ui.l.google.com has address 173.194.79.136
youtube-ui.l.google.com has address 173.194.79.91
youtube-ui.l.google.com has address 173.194.79.190