Current Prefix Allocations
Table B-21 lists the prefixes initially assigned in RFC 2373.
Table B-21. List of assigned prefixes
|
Allocation |
Prefix binary |
Prefix hex |
Fraction of address space |
|---|---|---|---|
|
Reserved |
0000 0000 |
1/256 | |
|
Reserved for NSAP allocation Reserved for IPX allocation (deprecated in later draft) |
0000 001 0000 010 |
1/128 1/128 | |
|
Aggregatable global unicast addresses |
001 |
1/8 | |
|
Link-local unicast addresses Site-local unicast addresses |
1111 1110 10 1111 1110 11 |
FE80 FEC0 |
1/1024 1/1024 |
|
Multicast addresses |
1111 1111 |
FF |
1/256 |
Table B-22 lists the current TLA allocations.
Table B-22. Current TLA allocations
|
Prefix |
Allocated to |
RFC |
|---|---|---|
|
2001::/16 |
Sub-TLA Assignments ARIN 2001:0400::/29 RIPE NCC 2001:0600::/29 APNIC 2001:0200::/29 |
RFC 2450 |
|
2002::/16 |
6to4 |
RFC 3056 |
|
3FFE::/16 |
6Bone Testing |
RFC 2471 |
As of February, 2002, over 120 production networks have been allocated IPv6 address prefixes. For a current list, refer to http://www.dfn.de/service/ipv6/ipv6aggis.html.
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