A note on notation

• Groups of 4 hex digits separated by colons

• Anything not mentioned is a zero

• 2a01:348:6:39f::2
• 2a01:348:245::/48
• 2a01:348:245:0:203:baff:fe24:102

• URLs

• http://[2a01:348:1fa::2]/

• Link local

• fe80::/64