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Regional Internet Registries (RIRs)

Currently, there are three Regional Internet Registries in the world, each managing different portions of the IPv4/IPv6 address space and AS Numbers within exclusive geographic realms.

Contents

 


APNIC (Asia Pacific Network Information Centre)    whois.apnic.net

Geographic Area: Asia Pacific, from Afghanistan in the Middle East, to Pitcairn in the Pacific Ocean. See also the Maps pages.

IPv4 ranges

IPv6 ranges

ASN ranges

24.192.0.0 - 24.195.255.255 (24.192/14)
169.208.0.0 - 169.223.255.255 (169.208/12)
61.0.0.0 - 61.255.255.255 (61/8)
202.0.0.0 - 203.255.255.255 (202/7)
210.0.0.0 - 211.255.255.255 (210/7)
218.0.0.0 - 218.255.255.255 (218/8)

2001:0200::/29 - 2001:03F8::/29

4608 - 4863
7467 - 7722
9261 - 10239

Top

ARIN (American Registry for Internet Numbers)    whois.arin.net

Geographic Area: Includes, but is not limited to, North America, South America, the Caribbean and sub-Saharan Africa.

As ARIN arose out of the IP-allocation functions of the former InterNIC, ARIN acts as the default whois server for IP assignments not covered by APNIC or the RIPE NCC. See also the Maps pages.

IPv4 ranges

IPv6 ranges

ASN ranges

24/8 (portions of)
63.0.0.0 - 63.255.255.255 (63/8)
64.0.0.0 - 64.255.255.255 (64/8)
196.0.0.0 - 196.255.255.255 (196/8)
198.0.0.0 - 199.255.255.255 (198/7)
200.0.0.0 - 200.255.255.255 (200/8)
204.0.0.0 - 207.255.255.255 (204/6)
208.0.0.0 - 209.255.255.255 (208/7)
216.0.0.0 - 216.255.255.255 (216/8)

2001:0400::/29 - 2001:05F8::/29

1 - 1876
1902 - 2042
2044 - 2046
2048 - 2106
2137 - 2584
2615 - 2772
2823 - 2829
2880 - 3153
3354 - 4607
4865 - 5376
5632 - 6655
6912 - 7466
7723 - 8191
10240 - 11263
11264 - 12287
13312 - 14335

Top

RIPE NCC (Réseaux IP Européens Network Coordination Centre)    whois.ripe.net

Europe and the surrounding areas, including North Africa, Russia and the Middle East. See also RIPE's Local Internet Registries page APNIC's Maps pages.

 

IPv4 ranges

IPv6 ranges

ASN ranges

24.132.0.0 - 24.135.255.255 (24.132/14)
62.0.0.0 - 62.255.255.255 (62/8)
139.20.0.0 - 139.29.255.255 (139.20/14, 139.24/14, 139.28/15)
141.0.0.0 - 141.85.255.255 (141.0/10, 141.64/12, 141.80/14, 141.84/15)
145.224.0.0 - 145.254.255.255 (145.224/12, 145.240/13, 145.248/14, 145.252/15, 145.254/16)
149.202.0.0 - 149.204.255.255 (149.202/15, 149.204/16)
149.206.0.0 - 149.251.255.255 (149.206/15, 149.208/12, 149.224/12, 149.240/13, 149.248/14)
150.254.0.0 - 150.254.255.255 (150.254/16)
151.13.0.0 - 151.81.255.255 (151.13/16, 151.14/15, 151.16/12, 151.32/11, 151.64/12, 151.80/15)
151.3.0.0 - 151.5.255.255 (151.3/16, 151.4/15)
151.82.0.0 - 151.82.255.255 (151.82/16)
151.91.0.0 - 151.93.255.255 (151.91/16, 151.92/15)
151.95.0.0 - 151.95.255.255 (151.95/16)
160.216.0.0 - 160.220.255.255 (160.216/14, 160.220/16)
160.44.0.0 - 160.63.255.255 (160.44/14, 160.48/12)
163.156.0.0 - 163.175.255.255 (163.156/14, 163.160/12)
164.0.0.0 - 164.40.255.255 (164.0/11, 164.32/13, 164.40/16)
164.128.0.0 - 164.143.255.255 (164.128/12)
171.16.0.0 - 171.33.255.255 (171.16/12, 171.32/15)
192.106.196.0 - 192.106.197.255 (192.106.196/23)
192.162.0.0 - 192.162.255.255 (192.162/16)
192.164.0.0 - 192.167.255.255 (192.164/14)
192.71.0.0 - 192.71.255.255 (192.71/16)
193.0.0.0 - 193.255.255.255 (193/8)
194.0.0.0 - 194.255.255.255 (194/8)
195.0.0.0 - 195.255.255.255 (195/8)
198.17.117.0 - 198.17.117.255 (198.17.117/24)
212.0.0.0 - 212.255.255.255 (212/8)
213.0.0.0 - 213.255.255.255 (213/8)
217.0.0.0 - 217.255.255.255 (217/8)

 

2001:0600::/29 - 2001:07F8::/29

1877 - 1901
2043
2047
2107 - 2136
2585 - 2614
2773 - 2822
2830 - 2879
3154 - 3353
5377 - 5631
6656 - 6911
8192 - 9215
12288 - 13311

 

Top

Total distribution of Address Space

AS Numbers
data source: http://www.isi.edu/in-notes/iana/assignments/as-numbers

ASN 14336 - 32767

Held by the IANA

 

ASN 32768 - 64511

Reserved by the IANA

 

ASN 64512 - 65534

Designated for private use (Allocated to the IANA)

ASN 65535

Reserved

Top

IPv4 Address space
data source: http://www.iana.org/assignments/ipv4-address-space

Address Block

Registry - Purpose

Date

0/8

IANA - Reserved

Sep 81

1/8

IANA - Reserved

Sep 81

2/8

IANA - Reserved

Sep 81

3/8

General Electric Company

May 94

4/8

Bolt Beranek and Newman Inc.

Dec 92

5/8

IANA - Reserved

Jul 95

6/8

Army Information Systems Center

Feb 94

7/8

IANA - Reserved

Apr 95

8/8

Bolt Beranek and Newman Inc.

Dec 92

9/8

IBM

Aug 92

10/8

IANA - Private Use (RFC1918)

Jun 95

11/8

DoD Intel Information Systems

 

May 93

12/8

AT&T Bell Laboratories

Jun 95

13/8

Xerox Corporation

Sep 91

14/8

IANA - Public Data Network

Jun 91

15/8

Hewlett-Packard Company

Jul 94

16/8

Digital Equipment Corporation

Nov 94

17/8

Apple Computer Inc.

Jul 92

18/8

MIT

Jan 94

19/8

Ford Motor Company

May 95

20/8

Computer Sciences Corporation

Oct 94

21/8

DDN-RVN

Jul 91

22/8

Defense Information Systems Agency

 

May 93

23/8

IANA - Reserved

Jul 95

24/8

ARIN - Cable Block

May 2001

 

Formerly IANA - Cable Block

Jul 95

25/8

Royal Signals and Radar Establishment

Jan 95

26/8

Defense Information Systems Agency

May 95

27/8

IANA - Reserved

Apr 95

28/8

DSI-North

Jul 92

29/8

Defense Information Systems Agency

Jul 91

30/8

Defense Information Systems Agency

Jul 91

31/8

IANA - Reserved

Apr 99

32/8

Norsk Informasjonsteknologi

Jun 94

33/8

DLA Systems Automation Center

Jan 91

34/8

Halliburton Company

Mar 93

35/8

MERIT Computer Network

Apr 94

36/8

IANA - Reserved

July 2000

 

Formerly Stanford University

Apr 93

37/8

IANA - Reserved

Apr 95

38/8

Performance Systems International

Sep 94

39/8

IANA - Reserved

Apr 95

40/8

Eli Lily and Company

Jun 94

41/8

IANA - Reserved

May 95

42/8

IANA - Reserved

Jul 95

43/8

Japan Inet

Jan 91

44/8

Amateur Radio Digital Communications

Jul 92

45/8

Interop Show Network

Jan 95

46/8

Bolt Beranek and Newman Inc.

Dec 92

47/8

Bell-Northern Research

Jan 91

48/8

Prudential Securities Inc.

May 95

49/8

Joint Technical Command

May 94

 

Returned to IANA

Mar 98

50/8

Joint Technical Command

May 94

 

Returned to IANA

Mar 98

51/8

Deparment of Social Security of UK

Aug 94

52/8

E.I. duPont de Nemours and Co., Inc.

Dec 91

53/8

Cap Debis CCS

Oct 93

54/8

Merck and Co., Inc.

Mar 92

55/8

Boeing Computer Services

Apr 95

56/8

U.S. Postal Service

Jun 94

57/8

SITA

May 95

58/8

IANA - Reserved

Sep 81

59/8

IANA - Reserved

Sep 81

60/8

IANA - Reserved

Sep 81

61/8

APNIC - Pacific Rim

Apr 97

62/8

RIPE NCC - Europe

Apr 97

63/8

ARIN

Apr 97

64/8

ARIN

Jul 99

65/8

IANA - Reserved

Sep 81

66/8

IANA - Reserved

Sep 81

67/8

IANA - Reserved

Sep 81

68/8

IANA - Reserved

Sep 81

69/8

IANA - Reserved

Sep 81

70/8

IANA - Reserved

Sep 81

71/8

IANA - Reserved

Sep 81

72/8

IANA - Reserved

Sep 81

73/8

IANA - Reserved

Sep 81

74/8

IANA - Reserved

Sep 81

75/8

IANA - Reserved

Sep 81

76/8

IANA - Reserved

Sep 81

77/8

IANA - Reserved

Sep 81

78/8

IANA - Reserved

Sep 81

79/8

IANA - Reserved

Sep 81

80/8

RIPE NCC

April 2001

81/8

RIPE NCC

April 2001

82/8

IANA - Reserved

Sep 81

83/8

IANA - Reserved

Sep 81

84/8

IANA - Reserved

Sep 81

85/8

IANA - Reserved

Sep 81

86/8

IANA - Reserved

Sep 81

87/8

IANA - Reserved

Sep 81

88/8

IANA - Reserved

Sep 81

89/8

IANA - Reserved

Sep 81

90/8

IANA - Reserved

Sep 81

91/8

IANA - Reserved

Sep 81

92/8

IANA - Reserved

Sep 81

93/8

IANA - Reserved

Sep 81

94/8

IANA - Reserved

Sep 81

95/8

IANA - Reserved

Sep 81

96/8

IANA - Reserved

Sep 81

97/8

IANA - Reserved

Sep 81

98/8

IANA - Reserved

Sep 81

99/8

IANA - Reserved

Sep 81

100/8

IANA - Reserved

Sep 81

101/8

IANA - Reserved

Sep 81

102/8

IANA - Reserved

Sep 81

103/8

IANA - Reserved

Sep 81

104/8

IANA - Reserved

Sep 81

105/8

IANA - Reserved

Sep 81

106/8

IANA - Reserved

Sep 81

107/8

IANA - Reserved

Sep 81

108/8

IANA - Reserved

Sep 81

109/8

IANA - Reserved

Sep 81

110/8

IANA - Reserved

Sep 81

111/8

IANA - Reserved

Sep 81

112/8

IANA - Reserved

Sep 81

113/8

IANA - Reserved

Sep 81

114/8

IANA - Reserved

Sep 81

115/8

IANA - Reserved

Sep 81

116/8

IANA - Reserved

Sep 81

117/8

IANA - Reserved

Sep 81

118/8

IANA - Reserved

Sep 81

119/8

IANA - Reserved

Sep 81

120/8

IANA - Reserved

Sep 81

121/8

IANA - Reserved

Sep 81

122/8

IANA - Reserved

Sep 81

123/8

IANA - Reserved

Sep 81

124/8

IANA - Reserved

Sep 81

125/8

IANA - Reserved

Sep 81

126/8

IANA - Reserved

Sep 81

127/8

IANA - Reserved

Sep 81

128/8

Various Registries

May 93

129/8

Various Registries

May 93

130/8

Various Registries

May 93

131/8

Various Registries

May 93

132/8

Various Registries

May 93

133/8

Various Registries

May 93

134/8

Various Registries

May 93

135/8

Various Registries

May 93

136/8

Various Registries

May 93

137/8

Various Registries

May 93

138/8

Various Registries

May 93

139/8

Various Registries

May 93

140/8

Various Registries

May 93

141/8

Various Registries

May 93

142/8

Various Registries

May 93

143/8

Various Registries

May 93

144/8

Various Registries

May 93

145/8

Various Registries

May 93

146/8

Various Registries

May 93

147/8

Various Registries

May 93

148/8

Various Registries

May 93

149/8

Various Registries

May 93

150/8

Various Registries

May 93

151/8

Various Registries

May 93

152/8

Various Registries

May 93

153/8

Various Registries

May 93

154/8

Various Registries

May 93

155/8

Various Registries

May 93

156/8

Various Registries

May 93

157/8

Various Registries

May 93

158/8

Various Registries

May 93

159/8

Various Registries

May 93

160/8

Various Registries

May 93

161/8

Various Registries

May 93

162/8

Various Registries

May 93

163/8

Various Registries

May 93

164/8

Various Registries

May 93

165/8

Various Registries

May 93

166/8

Various Registries

May 93

167/8

Various Registries

May 93

168/8

Various Registries

May 93

169/8

Various Registries

May 93

170/8

Various Registries

May 93

171/8

Various Registries

May 93

172/8

Various Registries

May 93

173/8

Various Registries

May 93

174/8

Various Registries

May 93

175/8

Various Registries

May 93

176/8

Various Registries

May 93

177/8

Various Registries

May 93

178/8

Various Registries

May 93

179/8

Various Registries

May 93

180/8

Various Registries

May 93

181/8

Various Registries

May 93

182/8

Various Registries

May 93

183/8

Various Registries

May 93

184/8

Various Registries

May 93

185/8

Various Registries

May 93

186/8

Various Registries

May 93

187/8

Various Registries

May 93

188/8

Various Registries

May 93

189/8

Various Registries

May 93

190/8

Various Registries

May 93

191/8

Various Registries

May 93

192/8

Various Registries - MultiRegional

May 93

193/8

RIPE NCC - Europe

May 93

194/8

RIPE NCC - Europe

May 93

195/8

RIPE NCC - Europe

May 93

196/8

Various Registries

May 93

197/8

IANA - Reserved

May 93

198/8

Various Registries

May 93

199/8

ARIN - North America

May 93

200/8

ARIN - Central and South America

May 93

201/8

Reserved - Central and South America

May 93

202/8

APNIC - Pacific Rim

May 93

203/8

APNIC - Pacific Rim

May 93

204/8

ARIN - North America

Mar 94

205/8

ARIN - North America

Mar 94

206/8

ARIN - North America

Apr 95

207/8

ARIN - North America

Nov 95

208/8

ARIN - North America

Apr 96

209/8

ARIN - North America

Jun 96

210/8

APNIC - Pacific Rim

Jun 96

211/8

APNIC - Pacific Rim

Jun 96

212/8

RIPE NCC - Europe

Oct 97

213/8

RIPE NCC - Europe

Mar 99

214/8

US-DOD

Mar 98

215/8

US-DOD

Mar 98

216/8

ARIN - North America

Apr 98

217/8

RIPE NCC - Europe

Jun 2000

218/8

APNIC - Pacific Rim

Dec 2000

219/8

IANA - Reserved

Sep 81

220/8

IANA - Reserved

Sep 81

221/8

IANA - Reserved

Sep 81

222/8

IANA - Reserved

Sep 81

223/8

IANA - Reserved

Sep 81

224/8

IANA - Multicast

Sep 81

225/8

IANA - Multicast

Sep 81

226/8

IANA - Multicast

Sep 81

227/8

IANA - Multicast

Sep 81

228/8

IANA - Multicast

Sep 81

229/8

IANA - Multicast

Sep 81

230/8

IANA - Multicast

Sep 81

231/8

IANA - Multicast

Sep 81

232/8

IANA - Multicast

Sep 81

233/8

IANA - Multicast

Sep 81

234/8

IANA - Multicast

Sep 81

235/8

IANA - Multicast

Sep 81

236/8

IANA - Multicast

Sep 81

237/8

IANA - Multicast

Sep 81

238/8

IANA - Multicast

Sep 81

239/8

IANA - Multicast

Sep 81

240/8

IANA - Reserved

Sep 81

241/8

IANA - Reserved

Sep 81

242/8

IANA - Reserved

Sep 81

243/8

IANA - Reserved

Sep 81

244/8

IANA - Reserved

Sep 81

245/8

IANA - Reserved

Sep 81

246/8

IANA - Reserved

Sep 81

247/8

IANA - Reserved

Sep 81

248/8

IANA - Reserved

Sep 81

249/8

IANA - Reserved

Sep 81

250/8

IANA - Reserved

Sep 81

251/8

IANA - Reserved

Sep 81

252/8

IANA - Reserved

Sep 81

253/8

IANA - Reserved

Sep 81

254/8

IANA - Reserved

Sep 81

255/8

IANA - Reserved

Sep 81

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