169.254.0.0/16 Link Local --

10.0.0.0/8 Private-Use Networks [RFC1918]
172.16.0.0/12 Private-Use Networks [RFC1918]
192.168.0.0/16 Private-Use Networks [RFC1918]

なるほど！

んで、[ ...between hosts on a single link.]の”single link”って何？