2001::/23 IANA 1999-07-01 whois.iana.org ALLOCATED This range has been partially allocated. See [IPv6 Special-Purpose Address Space] for details. 2001:200::/23 APNIC 1999-07-01 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2001:400::/23 ARIN 1999-07-01 whois.arin.net https://rdap.arin.net/registry
http://rdap.arin.net/registry ALLOCATED 2001:600::/23 RIPE NCC 1999-07-01 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:800::/22 RIPE NCC 2002-11-02 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:800::/23 was allocated on 2002-05-02. The more recent allocation (2002-11-02) incorporates the previous allocation. 2001:c00::/23 APNIC 2002-05-02 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2001:db8::/32 is reserved for Documentation [RFC3849]. See [IPv6 Special-Purpose Address Space] for details. 2001:e00::/23 APNIC 2003-01-01 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2001:1200::/23 LACNIC 2002-11-01 whois.lacnic.net https://rdap.lacnic.net/rdap/ ALLOCATED 2001:1400::/22 RIPE NCC 2003-07-01 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:1400::/23 was allocated on 2003-02-01. The more recent allocation (2003-07-01) incorporates the previous allocation. 2001:1800::/23 ARIN 2003-04-01 whois.arin.net https://rdap.arin.net/registry
http://rdap.arin.net/registry ALLOCATED 2001:1a00::/23 RIPE NCC 2004-01-01 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:1c00::/22 RIPE NCC 2004-05-04 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:2000::/19 RIPE NCC 2019-03-12 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:2000::/20, 2001:3000::/21, and 2001:3800::/22 were allocated on 2004-05-04. The more recent allocation (2019-03-12) incorporates all these previous allocations. 2001:4000::/23 RIPE NCC 2004-06-11 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:4200::/23 AFRINIC 2004-06-01 whois.afrinic.net https://rdap.afrinic.net/rdap/
http://rdap.afrinic.net/rdap/ ALLOCATED 2001:4400::/23 APNIC 2004-06-11 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2001:4600::/23 RIPE NCC 2004-08-17 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:4800::/23 ARIN 2004-08-24 whois.arin.net https://rdap.arin.net/registry
http://rdap.arin.net/registry ALLOCATED 2001:4a00::/23 RIPE NCC 2004-10-15 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:4c00::/23 RIPE NCC 2004-12-17 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:5000::/20 RIPE NCC 2004-09-10 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2001:8000::/19 APNIC 2004-11-30 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2001:a000::/20 APNIC 2004-11-30 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2001:b000::/20 APNIC 2006-03-08 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2002::/16 6to4 2001-02-01 ALLOCATED See [IPv6 Special-Purpose Address Space] for details. 2003::/18 RIPE NCC 2005-01-12 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2400::/12 APNIC 2006-10-03 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2400::/19 was allocated on 2005-05-20. 2400:2000::/19 was allocated on 2005-07-08. 2400:4000::/21 was allocated on 2005-08-08. 2404::/23 was allocated on 2006-01-19. The more recent allocation (2006-10-03) incorporates all these previous allocations. 2410::/12 APNIC 2024-11-01 whois.apnic.net https://rdap.apnic.net/ ALLOCATED 2600::/12 ARIN 2006-10-03 whois.arin.net https://rdap.arin.net/registry
http://rdap.arin.net/registry ALLOCATED 2600::/22, 2604::/22, 2608::/22 and 260c::/22 were allocated on 2005-04-19. The more recent allocation (2006-10-03) incorporates all these previous allocations. 2610::/23 ARIN 2005-11-17 whois.arin.net https://rdap.arin.net/registry
http://rdap.arin.net/registry ALLOCATED 2620::/23 ARIN 2006-09-12 whois.arin.net https://rdap.arin.net/registry
http://rdap.arin.net/registry ALLOCATED 2630::/12 ARIN 2019-11-06 whois.arin.net https://rdap.arin.net/registry
http://rdap.arin.net/registry ALLOCATED 2800::/12 LACNIC 2006-10-03 whois.lacnic.net https://rdap.lacnic.net/rdap/ ALLOCATED 2800::/23 was allocated on 2005-11-17. The more recent allocation (2006-10-03) incorporates the previous allocation. 2a00::/12 RIPE NCC 2006-10-03 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2a00::/21 was originally allocated on 2005-04-19. 2a01::/23 was allocated on 2005-07-14. 2a01::/16 (incorporating the 2a01::/23) was allocated on 2005-12-15. The more recent allocation (2006-10-03) incorporates these previous allocations. 2a10::/12 RIPE NCC 2019-06-05 whois.ripe.net https://rdap.db.ripe.net/ ALLOCATED 2c00::/12 AFRINIC 2006-10-03 whois.afrinic.net https://rdap.afrinic.net/rdap/
http://rdap.afrinic.net/rdap/ ALLOCATED 2d00::/8 IANA 1999-07-01 RESERVED 2e00::/7 IANA 1999-07-01 RESERVED 3000::/5 IANA 1999-07-01 RESERVED 3800::/6 IANA 1999-07-01 RESERVED 3c00::/7 IANA 1999-07-01 RESERVED 3e00::/8 IANA 1999-07-01 RESERVED 3f00::/9 IANA 1999-07-01 RESERVED 3f80::/10 IANA 1999-07-01 RESERVED 3fc0::/11 IANA 1999-07-01 RESERVED 3fe0::/12 IANA 1999-07-01 RESERVED 3ff0::/13 IANA 1999-07-01 RESERVED 3ff8::/14 IANA 1999-07-01 RESERVED 3ffc::/15 IANA 1999-07-01 RESERVED 3ffe::/16 IANA 2008-04 RESERVED 3ffe:831f::/32 was used for Teredo in some old but widely distributed networking stacks. This usage is deprecated in favor of 2001::/32, which was allocated for the purpose in [RFC4380]. 3ffe::/16 and 5f00::/8 were used for the 6bone, but returned [RFC5156]. 3fff::/20 Documentation 2024-07-23 RESERVED See [IPv6 Special-Purpose Address Space] for details.