Prefix       Fraction of  
Allocation                            (binary)     Address Space  
------------------------------------- ------------ -------------  
Reserved                              0000 0000    1/256  
Unassigned                            0000 0001    1/256  
Reserved for NSAP (ATM) Allocation    0000 001     1/128  
Reserved for IPX (Novell) Allocation  0000 010     1/128  
Unassigned                            0000 011     1/128  
Unassigned                            0000 1       1/32  
Unassigned                            0001         1/16  
Aggregatable Global Unicast Addresses 001          1/8  
Unassigned                            010          1/8  
Unassigned                            011          1/8  
Unassigned                            100          1/8  
Unassigned                            101          1/8  
Unassigned                            110          1/8  
Unassigned                            1110         1/16  
Unassigned                            1111 0       1/32  
Unassigned                            1111 10      1/64  
Unassigned                            1111 110     1/128  
Unassigned                            1111 1110 0  1/512  
Link-Local Unicast Addresses          1111 1110 10 1/1024  
Site-Local Unicast Addresses          1111 1110 11 1/1024  
Multicast Addresses                   1111 1111    1/256