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Iana Address Assignments

Some large /8 blocks of IPv4 addresses, the former Class A network blocks, are assigned in whole to single organizations or related groups of organizations, either by the Internet Corporation for Assigned Names and Numbers (ICANN), through the Internet Assigned Numbers Authority (IANA), or a regional Internet registry.

Each /8 block contains 224 = 16,777,216 addresses.

As IPv4 address exhaustion has advanced to its final stages, some organizations, such as Stanford University, formerly using 36.0.0.0/8 (now to APNIC) have returned their allocated blocks to assist in the delay of the exhaustion date.

List of reserved /8 blocks[edit]

See also Reserved IP addresses

List of assigned /8 blocks[edit]

BlockOrganizationIANA dateRIR dateNotes
4.0.0.0/8Level 3 Communications, Inc.1992-121992-12-01Originally Bolt Beranek and Newman Inc. (then GTE, then Genuity) 1992-12.
Updated to Level 3 Communications, Inc. in 2007-04.
8.0.0.0/8Level 3 Communications, Inc.1992-121992-12-01Originally Bolt Beranek and Newman Inc. (then GTE, then Genuity) 1992-12.
Updated to Level 3 Communications, Inc. in 2007-04.
12.0.0.0/8AT&T Services1995-061983-08-23Originally AT&T Bell Laboratories, retained by AT&T when Bell Labs was spun off to Lucent Technologies in 1996.
16.0.0.0/8Hewlett-Packard Company1994-111989-05-18Digital Equipment Corporation, then Compaq, then Hewlett-Packard; now known as Hewlett Packard Enterprise and HP Inc.
17.0.0.0/8Apple Inc.1992-071990-04-16
19.0.0.0/8Ford Motor Company1995-051988-06-15
38.0.0.0/8PSINet, Inc.1994-091991-04-16PSINet, then Cogent Communications.
44.0.0.0/8Amateur Radio Digital Communications1992-071992-07-01
48.0.0.0/8Prudential Securities Inc.1995-051990-12-07The Prudential Insurance Company of America.
56.0.0.0/8US Postal Service1994-061992-11-02

List of assigned /8 blocks to the United States Department of Defense[edit]

List of assigned /8 blocks to the Regional Internet Registries[edit]

The Regional Internet Registries (RIR) allocate IPs within a particular region of the world.

BlockOrganizationIANA dateRIR dateNotes
1.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
2.0.0.0/8RIPE NCC2009-10Formerly IANA - Reserved 1981-09.
3.0.0.0/8ARIN1994-05Various Registries (Maintained by ARIN). Formerly General Electric Company.
5.0.0.0/8RIPE NCC2010-11Formerly IANA - Reserved 1995-07.
9.0.0.0/8ARIN1992-08Various Registries (Maintained by ARIN). Formerly IBM.
13.0.0.0/8ARIN1991-09Various Registries (Maintained by ARIN).
14.0.0.0/8APNIC2010-04Starting 1991-06-01, was used to map Public Data Network (X.121) addresses to IP addresses. Returned to IANA 2008-01-22. This network was reclaimed by IANA in 2007 and was subsequently re-allocated in 2010. See RFC 877 and RFC 1356 for historical information.[2]
15.0.0.0/8ARIN1991-09Various Registries (Maintained by ARIN). Formerly Hewlett-Packard Company.
18.0.0.0/8ARIN1994-01Various Registries (Maintained by ARIN).
20.0.0.0/8ARIN1994-10Various Registries (Maintained by ARIN). Formerly DXC Technology. Computer Sciences Corporation, who owned this block, merged with HP Enterprise Services to create DXC Technology on 3 April 2017.[3][4]
23.0.0.0/8ARIN2010-11Formerly IANA - Reserved 1995-07.
24.0.0.0/8ARIN2001-052001-05-01Formerly IANA - Cable Block 1995-07, then ARIN - Cable Block 2001-05.[5] Updated to ARIN not before 2007.
25.0.0.0/8RIPE NCC1995-01As of 2005-08-23 entire block assigned to UK Ministry of Defence
27.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1995-04.
31.0.0.0/8RIPE NCC2010-052010-05-18Formerly IANA - Reserved 1991-04.
32.0.0.0/8ARIN1994-06Various Registries (Maintained by ARIN). Formerly AT&T Global Network Services. Originally Norsk Informasjonsteknologi (at that time maintained by RIPE NCC). IBM acquired Norsk Informasjonsteknologi (Norway) in 1995.
34.0.0.0/8ARIN1993-03Various Registries (Maintained by ARIN). Formerly Halliburton Company.
35.0.0.0/8ARIN1994-042012-08Various Registries (Maintained by ARIN). Formerly Merit Network 1986.
36.0.0.0/8APNIC2010-10Formerly Stanford University 1993-04, then IANA - Reserved 2000-07.
37.0.0.0/8RIPE NCC2010-11Formerly IANA - Reserved 1995-04.
39.0.0.0/8APNIC2011-01Formerly IANA - Reserved 1995-04.
40.0.0.0/8ARIN1994-06Various Registries (Maintained by ARIN).
41.0.0.0/8AFRINIC2005-04Formerly IANA - Reserved 1995-05.
42.0.0.0/8APNIC2010-10Formerly IANA - Reserved 1995-07.
43.0.0.0/8APNIC1991-011989-02-21Various Registries (Maintained by APNIC). Originally Japan Inet 1991-01 (IANA date) or 1989-02-21 (RIR date). Administered by APNIC not before 2007.
45.0.0.0/8ARIN1995-011991-09-09Various Registries (Maintained by ARIN). Formerly Interop Show Network 1995-01 or 1991-09-09 (RIR date). Returned to ARIN in 2010-10 except a /15 block. In 2011 it became available for distribution (or possibly be returned to the IANA, depending on the global policy in effect at that time).[6]
46.0.0.0/8RIPE NCC2009-09Formerly Bolt Beranek and Newman Inc. 1992-12. Returned to IANA in 2007-04.[7] Updated to IANA - Reserved in 2007-04.
47.0.0.0/8ARIN1991-01Various Registries (Maintained by ARIN). Formerly Bell-Northern Research.
49.0.0.0/8APNIC2010-08Formerly Joint Technical Command (Returned to IANA Mar 98) 1994-05. Updated to IANA - Reserved in 2007-05.
50.0.0.0/8ARIN2010-02Formerly Joint Technical Command (Returned to IANA Mar 98) 1994-05. Updated to IANA - Reserved in 2007-05.
51.0.0.0/8RIPE NCC1994-08Various Registries (Maintained by RIPE NCC). Formerly UK Government Department for Work and Pensions.
52.0.0.0/8ARIN1991-12
53.0.0.0/8RIPE NCC1993-10As of some date before 2015-05-05 the entire block assigned to Daimler AG.
54.0.0.0/8ARIN1992-03Various Registries (Maintained by ARIN).
57.0.0.0/8RIPE NCC1995-05Formerly SITA.
58.0.0.0/8APNIC2004-04
59.0.0.0/8APNIC2004-04
60.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
61.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
62.0.0.0/8RIPE NCC1997-04
63.0.0.0/8ARIN1997-04
64.0.0.0/8ARIN1999-07
65.0.0.0/8ARIN2000-07
66.0.0.0/8ARIN2000-07
67.0.0.0/8ARIN2001-05
68.0.0.0/8ARIN2001-06
69.0.0.0/8ARIN2002-08
70.0.0.0/8ARIN2004-01
71.0.0.0/8ARIN2004-08
72.0.0.0/8ARIN2004-08
73.0.0.0/8ARIN2005-03
74.0.0.0/8ARIN2005-06
75.0.0.0/8ARIN2005-06
76.0.0.0/8ARIN2005-06
77.0.0.0/8RIPE NCC2006-08
78.0.0.0/8RIPE NCC2006-08
79.0.0.0/8RIPE NCC2006-08
80.0.0.0/8RIPE NCC2001-04
81.0.0.0/8RIPE NCC2001-04
82.0.0.0/8RIPE NCC2002-11
83.0.0.0/8RIPE NCC2003-11
84.0.0.0/8RIPE NCC2003-11
85.0.0.0/8RIPE NCC2004-04
86.0.0.0/8RIPE NCC2004-04
87.0.0.0/8RIPE NCC2004-04
88.0.0.0/8RIPE NCC2010-01Formerly IANA - Reserved 1981-09.
89.0.0.0/8RIPE NCC2005-06
90.0.0.0/8RIPE NCC2005-06
91.0.0.0/8RIPE NCC2005-06
92.0.0.0/8RIPE NCC2007-03
93.0.0.0/8RIPE NCC2007-03
94.0.0.0/8RIPE NCC2007-07
95.0.0.0/8RIPE NCC2007-07
96.0.0.0/8ARIN2006-10
97.0.0.0/8ARIN2006-10
98.0.0.0/8ARIN2006-10
99.0.0.0/8ARIN2006-10
100.0.0.0/8ARIN2010-11100.64.0.0/10 reserved for [rfc:6598 Shared Address Space (RFC 6598]).
101.0.0.0/8APNIC2010-08
102.0.0.0/8AFRINIC2011-02
103.0.0.0/8APNIC2011-02
104.0.0.0/8ARIN2011-02
105.0.0.0/8AFRINIC2010-11
106.0.0.0/8APNIC2011-01
107.0.0.0/8ARIN2010-02
108.0.0.0/8ARIN2008-12
109.0.0.0/8RIPE NCC2009-01
110.0.0.0/8APNIC2008-11
111.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
112.0.0.0/8APNIC2008-05
113.0.0.0/8APNIC2008-05
114.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
115.0.0.0/8APNIC2007-10
116.0.0.0/8APNIC2007-01
117.0.0.0/8APNIC2007-01
118.0.0.0/8APNIC2007-01
119.0.0.0/8APNIC2007-01
120.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
121.0.0.0/8APNIC2006-01
122.0.0.0/8APNIC2006-01
123.0.0.0/8APNIC2006-01
124.0.0.0/8APNIC2005-01
125.0.0.0/8APNIC2005-01
126.0.0.0/8APNIC2005-01
128.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN). 128.0.0.0 is the start address of formerly "Class B".
129.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
130.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
131.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
132.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
133.0.0.0/8APNIC1997-03Various Registries (Maintained by APNIC).
134.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
135.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
136.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
137.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
138.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
139.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
140.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
141.0.0.0/8RIPE NCC1993-05Various Registries (Maintained by RIPE NCC).
142.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
143.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
144.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
145.0.0.0/8RIPE NCC1993-05Various Registries (Maintained by RIPE NCC).
146.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
147.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
148.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
149.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
150.0.0.0/8APNIC1993-05Various Registries (Maintained by APNIC).
151.0.0.0/8RIPE NCC1993-05Various Registries (Maintained by RIPE NCC).
152.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
153.0.0.0/8APNIC1993-05Various Registries (Maintained by APNIC).
154.0.0.0/8AFRINIC1993-05Various Registries (Maintained by AFRINIC).
155.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
156.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
157.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
158.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
159.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
160.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
161.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
162.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
163.0.0.0/8APNIC1993-05Various Registries (Maintained by APNIC).
164.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
165.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
166.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
167.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
168.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
169.0.0.0/8ARIN1993-051993-05-01Various Registries (Maintained by ARIN). 169.254.0.0/16 (169.254.0.0–169.254.255.255) reserved for link-local addressing (RFC 6890).
170.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN).
171.0.0.0/8APNIC1993-05Various Registries (Maintained by APNIC).
172.0.0.0/8ARIN1993-051993-05-01Various Registries (Maintained by ARIN). 172.16.0.0/12 (172.16.0.0–172.31.255.255) reserved for private networks (RFC 1918).
173.0.0.0/8ARIN2008-02
174.0.0.0/8ARIN2008-02
175.0.0.0/8APNIC2009-08
176.0.0.0/8RIPE NCC2010-05
177.0.0.0/8LACNIC2010-06
178.0.0.0/8RIPE NCC2009-01
179.0.0.0/8LACNIC2011-02
180.0.0.0/8APNIC2009-04
181.0.0.0/8LACNIC2010-06
182.0.0.0/8APNIC2009-08
183.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
184.0.0.0/8ARIN2008-12
185.0.0.0/8RIPE NCC2011-02
186.0.0.0/8LACNIC2007-09
187.0.0.0/8LACNIC2007-09
188.0.0.0/8RIPE NCC1993-05Various Registries (Maintained by RIPE NCC).
189.0.0.0/8LACNIC1995-06
190.0.0.0/8LACNIC1995-06
191.0.0.0/8LACNIC1993-05Various Registries (Maintained by LACNIC).
192.0.0.0/8ARIN1993-051993-05-01Various Registries (Maintained by ARIN). 192.0.2.0/24 reserved for TEST-NET-1 (RFC 5737). 192.88.99.0/24 reserved for 6to4 Relay Anycast (RFC 3068). 192.168.0.0/16 (192.168.0.0–192.168.255.255) reserved for private networks (RFC 1918). 192.0.0.0/24 reserved for IANA IPv4 Special Purpose Address Registry (RFC 5736). 192.0.0.0 is the start address of formerly "Class C".
193.0.0.0/8RIPE NCC1993-05
194.0.0.0/8RIPE NCC1993-05
195.0.0.0/8RIPE NCC1993-05
196.0.0.0/8AFRINIC1993-05Various Registries (Maintained by AFRINIC).
197.0.0.0/8AFRINIC2008-10
198.0.0.0/8ARIN1993-05Various Registries (Maintained by ARIN). 198.18.0.0/15 reserved for Network Interconnect Device Benchmark Testing (RFC 6890). 198.51.100.0/24 reserved for TEST-NET-2 (RFC 5737).
199.0.0.0/8ARIN1993-05
200.0.0.0/8LACNIC2002-11
201.0.0.0/8LACNIC2003-04
202.0.0.0/8APNIC2009-10202.123.0.0/19 transferred to AFRINIC
203.0.0.0/8APNIC1993-05203.0.113.0/24 reserved for TEST-NET-3 (RFC 5737).
204.0.0.0/8ARIN1994-03
205.0.0.0/8ARIN1994-03
206.0.0.0/8ARIN1995-04
207.0.0.0/8ARIN1995-11
208.0.0.0/8ARIN1996-04
209.0.0.0/8ARIN1996-06
210.0.0.0/8APNIC1996-06
211.0.0.0/8APNIC1996-06
212.0.0.0/8RIPE NCC1997-10
213.0.0.0/8RIPE NCC1993-10
216.0.0.0/8ARIN1998-04
217.0.0.0/8RIPE NCC2013-072013-07-29
218.0.0.0/8APNIC2010-01Formerly IANA - Reserved 1981-09.
219.0.0.0/8APNIC2001-09
220.0.0.0/8APNIC2001-12
221.0.0.0/8APNIC2002-07
222.0.0.0/8APNIC2003-02
223.0.0.0/8APNIC2010-04

Note that this list may not include current assignments of /8 blocks to all regional or national Internet registries.

Original list of IPv4 assigned address blocks[edit]

The original list of IPv4 address blocks can be found in RFC 790 (Postel, J., September 1981). In a previous version of the document, RFC 776 (Postel, J., January 1981), network numbers were 8-bit numbers rather than the 32-bit numbers used in IPv4. RFC 790 also added three networks not listed in RFC 776: 42.rrr.rrr.rrr, 43.rrr.rrr.rrr, and 44.rrr.rrr.rrr.

The relevant portion of RFC 790 is reproduced here with minor changes:

  • 000.rrr.rrr.rrr Reserved [JBP]
  • 001.rrr.rrr.rrr BBN-PR BBN Packet Radio Network [DCA2]
  • 002.rrr.rrr.rrr SF-PR-1 SF Packet Radio Network [JEM]
  • 003.rrr.rrr.rrr BBN-RCC BBN RCC Network [SGC]
  • 004.rrr.rrr.rrr SATNET Atlantic Satellite Network [DM11]
  • 005.rrr.rrr.rrr SILL-PR Ft. Sill Packet Radio Network[JEM]
  • 006.rrr.rrr.rrr SF-PR-2 SF Packet Radio Network [JEM]
  • 007.rrr.rrr.rrr CHAOS MIT CHAOS Network [MOON]
  • 008.rrr.rrr.rrr CLARKNET SATNET subnet for Clarksburg [DM11]
  • 009.rrr.rrr.rrr BRAGG-PR Ft. Bragg Packet Radio Net [JEM]
  • 010.rrr.rrr.rrr ARPANET ARPANET [VGC]
  • 011.rrr.rrr.rrr UCLNET University College London [PK]
  • 012.rrr.rrr.rrr CYCLADES CYCLADES [VGC]
  • 013.rrr.rrr.rrr Unassigned [JBP]
  • 014.rrr.rrr.rrr TELENET TELENET [VGC]
  • 015.rrr.rrr.rrr EPSS British Post Office EPSS [PK]
  • 016.rrr.rrr.rrr DATAPAC DATAPAC [VGC]
  • 017.rrr.rrr.rrr TRANSPAC TRANSPAC [VGC]
  • 018.rrr.rrr.rrr LCSNET MIT LCS Network [DDC2]
  • 019.rrr.rrr.rrr TYMNET TYMNET [VGC]
  • 020.rrr.rrr.rrr DC-PR D.C. Packet Radio Network [VGC]
  • 021.rrr.rrr.rrr EDN DCEC EDN [EC5]
  • 022.rrr.rrr.rrr DIALNET DIALNET [MRC]
  • 023.rrr.rrr.rrr MITRE MITRE Cablenet [APS]
  • 024.rrr.rrr.rrr BBN-LOCAL BBN Local Network [SGC]
  • 025.rrr.rrr.rrr RSRE-PPSN RSRE / PPSN [BD2]
  • 026.rrr.rrr.rrr AUTODIN-II AUTODIN II [EC5]
  • 027.rrr.rrr.rrr NOSC-LCCN NOSC / LCCN [KTP]
  • 028.rrr.rrr.rrr WIDEBAND Wide Band Satellite Network [CJW2]
  • 029.rrr.rrr.rrr DCN-COMSAT COMSAT Dist. Comp. Network [DLM1]
  • 030.rrr.rrr.rrr DCN-UCL UCL Dist. Comp. Network [PK]
  • 031.rrr.rrr.rrr BBN-SAT-TEST BBN SATNET Test Network [DM11]
  • 032.rrr.rrr.rrr UCL-CR1 UCL Cambridge Ring 1 [PK]
  • 033.rrr.rrr.rrr UCL-CR2 UCL Cambridge Ring 2 [PK]
  • 034.rrr.rrr.rrr MATNET Mobile Access Terminal Net [DM11]
  • 035.rrr.rrr.rrr NULL UCL/RSRE Null Network [BD2]
  • 036.rrr.rrr.rrr SU-NET Stanford University Ethernet [MRC]
  • 037.rrr.rrr.rrr DECNET Digital Equipment Network [DRL]
  • 038.rrr.rrr.rrr DECNET-TEST Test Digital Equipment Net [DRL]
  • 039.rrr.rrr.rrr SRINET SRI Local Network [GEOF]
  • 040.rrr.rrr.rrr CISLNET CISL Multics Network [CH2]
  • 041.rrr.rrr.rrr BBN-LN-TEST BBN Local Network Testbed [KTP]
  • 042.rrr.rrr.rrr S1NET LLL-S1-NET [EAK]
  • 043.rrr.rrr.rrr INTELPOST COMSAT INTELPOST [DLM1]
  • 044.rrr.rrr.rrr AMPRNET Amateur Radio Experiment Net [HM]

See also[edit]

Notes[edit]

References[edit]

Map of Regional Internet Registries

Internet Protocol Version 6 Address Space

Last Updated
2017-08-24
Note
The IPv6 address management function was formally delegated to IANA in December 1995 [RFC1881]. The registration procedure was confirmed with the IETF Chair in March 2010.
Available Formats

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Registration Procedure(s)
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Footnotes

[1]::1/128 reserved for Loopback Address [RFC4291]. Reserved by protocol. For authoritative registration, see [IANA registry iana-ipv6-special-registry].
[2]::/128 reserved for Unspecified Address [RFC4291]. Reserved by protocol. For authoritative registration, see [IANA registry iana-ipv6-special-registry].
[3]::ffff:0:0/96 reserved for IPv4-mapped Address [RFC4291]. Reserved by protocol. For authoritative registration, see [IANA registry iana-ipv6-special-registry].
[4]0000::/96 deprecated by [RFC4291]. Formerly defined as the "IPv4-compatible IPv6 address" prefix.
[5]The "Well Known Prefix" 64:ff9b::/96 is used in an algorithmic mapping between IPv4 to IPv6 addresses [RFC6052].
[6]64:ff9b:1::/48 reserved for Local-Use IPv4/IPv6 Translation [RFC8215].
[7]2001:0000::/23 reserved for IETF Protocol Assignments [RFC2928]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[8]2001:0000::/32 reserved for TEREDO [RFC4380]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[9]2001:0002::/48 reserved for Benchmarking [RFC5180][RFC Errata 1752]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[10]2001:3::/32 reserved for AMT [RFC7450]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[11]2001:4:112::/48 reserved for AS112-v6 [RFC7535]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[12]2001:5::/32 reserved for EID Space for LISP [RFC7954]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[13]2001:10::/28 deprecated (formerly ORCHID) [RFC4843]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[14]2001:20::/28 reserved for ORCHIDv2 [RFC7343]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[15]2001:db8::/32 reserved for Documentation [RFC3849]. For complete registration details, see [IANA registry iana-ipv6-special-registry].
[16]2002::/16 reserved for 6to4 [RFC3056]. For complete registration details, see [IANA registry iana-ipv6-special-registry].

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