Allocation |
Prefix (binary) |
Fraction of Address Space |
Reserved |
0000 0000 |
1/256 |
Unassigned |
0000 0001 |
1/256 |
Reserved for NSAP Allocation |
0000 001 |
1/128 |
Reserved for IPX Allocation |
0000 010 |
1/128 |
Unassigned |
0000 011 |
1/128 |
Unassigned |
0000 1 |
1/32 |
Unassigned |
0001 |
1/16 |
Unassigned |
001 |
1/8 |
Provider based Unicast Address |
010 |
1/8 |
Unassigned |
011 |
1/8 |
Reserved for Neutral-Interconnect-Based Unicast Addresses |
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 1101 |
1/128 |
Unassigned |
1111 1110 |
1/512 |
Link Local Use Addresses |
1111 1110 10 |
1/1024 |
Site Local Use Addresses |
1111 1110 11 |
1/1024 |
Multicast Addresses |
1111 1111 |
1/256 |