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IPv4 Address Space report

An Internet Protocol address (IP address) is a numerical label assigned to each device on a network. IPv4 addresses are canonically represented in dot-decimal notation, which consists of four decimal numbers, each ranging from 0 to 255, separated by dots, e.g., 192.168.16.1. Each part represents a group of 8 bits (octet) of the address. So the total IPv4 address space is from 0.0.0.0 to 255.255.255.255. With the IPv4 address space report it is possible to browse the IPv4 address space and see the geolocation, DNS, whois, routing, hosting, domain neighbors, DNSBL, BGP and ASN information of every IPv4 address.

Overview Root Zone IPv4

SubnetDescriptionRIR#routes#domains#spamhosts
0.0.0.0/8IANA - Local Identificationiana000
1.0.0.0/8APNICapnic2,59649,71915,338
2.0.0.0/8RIPE NCCripe1,72111,64320,374
3.0.0.0/8General Electric Companyarin01960
4.0.0.0/8Level 3 Communications, Inc.arin346,31318
5.0.0.0/8RIPE NCCripe4,5011,280,16533,243
6.0.0.0/8Army Information Systems Centerarin61951
7.0.0.0/8Administered by ARINarin0460
8.0.0.0/8Level 3 Communications, Inc.arin1,385577,027139
9.0.0.0/8IBMarin01370
10.0.0.0/8IANA - Private Useiana000
11.0.0.0/8DoD Intel Information Systemsarin19192
12.0.0.0/8AT&T Bell Laboratoriesarin2,16191,372436
13.0.0.0/8Xerox Corporationarin17120,183983
14.0.0.0/8APNICapnic2,75653,32254,839
15.0.0.0/8Hewlett-Packard Companyarin1632,9903
16.0.0.0/8Digital Equipment Corporationarin91130
17.0.0.0/8Apple Computer Inc.arin4055,4672
18.0.0.0/8MITarin1097534
19.0.0.0/8Ford Motor Companyarin0710
20.0.0.0/8Computer Sciences Corporationarin1422670
21.0.0.0/8DDN-RVNarin01971
22.0.0.0/8Defense Information Systems Agencyarin11,1640
23.0.0.0/8ARINarin4,4684,890,537948
24.0.0.0/8ARINarin4,30666,3112,445
25.0.0.0/8UK Ministry of Defenceripe11130
26.0.0.0/8Defense Information Systems Agencyarin0161
27.0.0.0/8APNICapnic3,860305,31320,521
28.0.0.0/8DSI-Northarin0270
29.0.0.0/8Defense Information Systems Agencyarin0241
30.0.0.0/8Defense Information Systems Agencyarin1451
31.0.0.0/8RIPE NCCripe3,366908,5487,450
32.0.0.0/8AT&T Global Network Servicesarin25158128
33.0.0.0/8DLA Systems Automation Centerarin2720
34.0.0.0/8Halliburton Companyarin16820
35.0.0.0/8Administered by ARINarin255313
36.0.0.0/8APNICapnic1,18630,7714,623
37.0.0.0/8RIPE NCCripe4,7761,117,94814,906
38.0.0.0/8PSINet, Inc.arin2,805106,282241
39.0.0.0/8APNICapnic29421,72736,368
40.0.0.0/8Administered by ARINarin19639,094662
41.0.0.0/8AFRINICafrinic5,695150,34030,850
42.0.0.0/8APNICapnic1,042361,83610,465
43.0.0.0/8Administered by APNICapnic2,436267,4845,412
44.0.0.0/8Amateur Radio Digital Communicationsarin811271
45.0.0.0/8Administered by ARINarin3,223855,79610,744
46.0.0.0/8RIPE NCCripe5,7742,488,20914,942
47.0.0.0/8Administered by ARINarin328421,628403
48.0.0.0/8Prudential Securities Inc.arin0450
49.0.0.0/8APNICapnic2,457237,22914,136
50.0.0.0/8ARINarin1,80418,443,206898
51.0.0.0/8UK Government Department for Work and Pensionsripe106212,9251,502
52.0.0.0/8E.I. duPont de Nemours and Co., Inc.arin6832,905,358446
53.0.0.0/8Cap Debis CCSarin1810
54.0.0.0/8Administered by ARINarin7223,330,197602
55.0.0.0/8DoD Network Information Centerarin1021110
56.0.0.0/8US Postal Servicearin182201
57.0.0.0/8SITAarin1695405
58.0.0.0/8APNICapnic2,755379,25410,368
59.0.0.0/8APNICapnic1,875332,80329,540
60.0.0.0/8APNICapnic1,023109,2972,674
61.0.0.0/8APNICapnic3,824377,8089,834
62.0.0.0/8RIPE NCCripe3,1542,063,8812,932
63.0.0.0/8ARINarin2,738204,689273
64.0.0.0/8ARINarin7,3352,005,5981,424
65.0.0.0/8ARINarin3,561864,285425
66.0.0.0/8ARINarin7,6973,544,6391,502
67.0.0.0/8ARINarin4,1051,252,1901,146
68.0.0.0/8ARINarin3,133466,7221,425
69.0.0.0/8ARINarin5,6155,438,1311,396
70.0.0.0/8ARINarin2,655561,237855
71.0.0.0/8ARINarin1,54372,415663
72.0.0.0/8ARINarin4,2983,857,327816
73.0.0.0/8ARINarin112,472201
74.0.0.0/8ARINarin5,0953,366,6661,068
75.0.0.0/8ARINarin1,283630,272903
76.0.0.0/8ARINarin963131,698712
77.0.0.0/8RIPE NCCripe2,988894,3827,186
78.0.0.0/8RIPE NCCripe2,678791,5477,155
79.0.0.0/8RIPE NCCripe1,832849,4056,424
80.0.0.0/8RIPE NCCripe2,9171,823,4293,209
81.0.0.0/8RIPE NCCripe2,6645,002,6824,254
82.0.0.0/8RIPE NCCripe2,2131,557,0223,267
83.0.0.0/8RIPE NCCripe1,839770,7863,690
84.0.0.0/8RIPE NCCripe2,109353,0543,409
85.0.0.0/8RIPE NCCripe3,4902,350,6097,090
86.0.0.0/8RIPE NCCripe1,003136,8583,586
87.0.0.0/8RIPE NCCripe2,1761,199,4343,551
88.0.0.0/8RIPE NCCripe1,436927,1905,728
89.0.0.0/8RIPE NCCripe4,2651,704,5277,893
90.0.0.0/8RIPE NCCripe870125,8541,449
91.0.0.0/8RIPE NCCripe9,7422,097,2636,830
92.0.0.0/8RIPE NCCripe2,355555,6263,718
93.0.0.0/8RIPE NCCripe3,954988,5306,877
94.0.0.0/8RIPE NCCripe4,7601,648,7937,476
95.0.0.0/8RIPE NCCripe4,817706,99711,093
96.0.0.0/8ARINarin1,300305,728774
97.0.0.0/8ARINarin977896,462355
98.0.0.0/8ARINarin1,6662,408,699565
99.0.0.0/8ARINarin32833,103215
100.0.0.0/8ARINarin18424,46557
101.0.0.0/8APNICapnic2,396159,9086,390
102.0.0.0/8AFRINICafrinic000
103.0.0.0/8APNICapnic15,3212,290,60838,150
104.0.0.0/8ARINarin5,3653,424,4393,367
105.0.0.0/8AFRINICafrinic6808826,366
106.0.0.0/8APNICapnic1,217112,87818,523
107.0.0.0/8ARINarin2,0342,643,651909
108.0.0.0/8ARINarin1,313942,822546
109.0.0.0/8RIPE NCCripe4,0241,364,7047,543
110.0.0.0/8APNICapnic3,420189,1194,969
111.0.0.0/8APNICapnic2,842207,4809,158
112.0.0.0/8APNICapnic2,263593,80710,666
113.0.0.0/8APNICapnic2,502333,74848,464
114.0.0.0/8APNICapnic2,088185,0847,212
115.0.0.0/8APNICapnic3,679280,90120,887
116.0.0.0/8APNICapnic3,109288,45227,955
117.0.0.0/8APNICapnic3,935125,16184,106
118.0.0.0/8APNICapnic3,227498,4658,507
119.0.0.0/8APNICapnic3,040551,15911,041
120.0.0.0/8APNICapnic2,324289,4679,245
121.0.0.0/8APNICapnic2,227618,6743,423
122.0.0.0/8APNICapnic4,517362,48637,900
123.0.0.0/8APNICapnic4,577365,31619,223
124.0.0.0/8APNICapnic2,912635,5054,005
125.0.0.0/8APNICapnic3,098164,6593,293
126.0.0.0/8APNICapnic2267729
127.0.0.0/8IANA - Loopbackiana000
128.0.0.0/8Administered by ARINarin1,470160,788591
129.0.0.0/8Administered by ARINarin1,050186,755322
130.0.0.0/8Administered by ARINarin884167,9181,433
131.0.0.0/8Administered by ARINarin2,50633,5781,597
132.0.0.0/8Administered by ARINarin1,15119,740455
133.0.0.0/8Administered by APNICapnic422114,24240
134.0.0.0/8Administered by ARINarin989334,365302
135.0.0.0/8Administered by ARINarin3361,86028
136.0.0.0/8Administered by ARINarin634179,132106
137.0.0.0/8Administered by ARINarin87474,189305
138.0.0.0/8Administered by ARINarin3,494102,3482,848
139.0.0.0/8Administered by ARINarin795210,3844,297
140.0.0.0/8Administered by ARINarin1,16412,510332
141.0.0.0/8Administered by RIPE NCCripe1,1322,084,706392
142.0.0.0/8Administered by ARINarin1,560177,451133
143.0.0.0/8Administered by ARINarin1,810317,310776
144.0.0.0/8Administered by ARINarin1,212261,387214
145.0.0.0/8Administered by RIPE NCCripe47144,264240
146.0.0.0/8Administered by ARINarin1,514252,5561,165
147.0.0.0/8Administered by ARINarin1,17415,21398
148.0.0.0/8Administered by ARINarin2,125197,4981,462
149.0.0.0/8Administered by ARINarin1,311570,0051,402
150.0.0.0/8Administered by APNICapnic1,05575,1881,913
151.0.0.0/8Administered by RIPE NCCripe1,752133,1094,492
152.0.0.0/8Administered by ARINarin1,21312,1681,544
153.0.0.0/8Administered by APNICapnic597168,498374
154.0.0.0/8Administered by AFRINICafrinic1,57652,2938,659
155.0.0.0/8Administered by ARINarin1,55539,178153
156.0.0.0/8Administered by ARINarin96310,455261
157.0.0.0/8Administered by ARINarin879802,4291,122
158.0.0.0/8Administered by ARINarin829229,214317
159.0.0.0/8Administered by ARINarin1,858274,463536
160.0.0.0/8Administered by ARINarin1,076507,442888
161.0.0.0/8Administered by ARINarin1,25227,919892
162.0.0.0/8Administered by ARINarin3,8402,140,164788
163.0.0.0/8Administered by APNICapnic1,32560,2671,283
164.0.0.0/8Administered by ARINarin1,380184,279435
165.0.0.0/8Administered by ARINarin1,715367,598732
166.0.0.0/8Administered by ARINarin1,027494,026133
167.0.0.0/8Administered by ARINarin1,968210,6873,160
168.0.0.0/8Administered by ARINarin3,259132,557962
169.0.0.0/8Administered by ARINarin95836,085798
170.0.0.0/8Administered by ARINarin2,59535,136236
171.0.0.0/8Administered by APNICapnic1,0948,26816,549
172.0.0.0/8Administered by ARINarin1,295530,424798
173.0.0.0/8ARINarin3,8661,979,0371,147
174.0.0.0/8ARINarin1,453825,644305
175.0.0.0/8APNICapnic1,438114,0504,630
176.0.0.0/8RIPE NCCripe3,6941,635,3756,091
177.0.0.0/8LACNIClacnic9,935169,16523,165
178.0.0.0/8RIPE NCCripe4,5041,215,2478,017
179.0.0.0/8LACNIClacnic3,49428,0969,367
180.0.0.0/8APNICapnic3,831213,1408,024
181.0.0.0/8LACNIClacnic4,625192,39217,759
182.0.0.0/8APNICapnic3,001345,91627,510
183.0.0.0/8APNICapnic1,942347,8407,966
184.0.0.0/8ARINarin2,62519,277,019620
185.0.0.0/8RIPE NCCripe14,1873,421,2207,060
186.0.0.0/8LACNIClacnic8,642193,08921,228
187.0.0.0/8LACNIClacnic5,744185,42229,359
188.0.0.0/8Administered by RIPE NCCripe4,6051,326,06415,084
189.0.0.0/8LACNIClacnic5,10041,21736,707
190.0.0.0/8LACNIClacnic12,951123,70636,654
191.0.0.0/8Administered by LACNIClacnic3,193112,3778,495
192.0.0.0/8Administered by ARINarin11,7016,835,229900
193.0.0.0/8RIPE NCCripe8,445807,0971,512
194.0.0.0/8RIPE NCCripe6,7811,288,0381,244
195.0.0.0/8RIPE NCCripe6,8422,155,0462,017
196.0.0.0/8Administered by AFRINICafrinic3,225114,4794,874
197.0.0.0/8AFRINICafrinic2,80789,43623,727
198.0.0.0/8Administered by ARINarin7,5413,681,899821
199.0.0.0/8ARINarin8,3372,269,289630
200.0.0.0/8LACNIClacnic11,090303,82511,455
201.0.0.0/8LACNIClacnic7,575124,69321,912
202.0.0.0/8APNICapnic13,6141,083,73110,715
203.0.0.0/8APNICapnic13,9511,152,2805,263
204.0.0.0/8ARINarin6,284682,280365
205.0.0.0/8ARINarin3,9151,182,737260
206.0.0.0/8ARINarin4,623599,593613
207.0.0.0/8ARINarin4,7931,093,043438
208.0.0.0/8ARINarin6,6663,944,200825
209.0.0.0/8ARINarin6,0202,142,014845
210.0.0.0/8APNICapnic5,8871,278,3641,631
211.0.0.0/8APNICapnic3,555478,7191,036
212.0.0.0/8RIPE NCCripe5,0512,393,9614,491
213.0.0.0/8RIPE NCCripe4,7713,429,2405,547
214.0.0.0/8US-DODarin1,045740
215.0.0.0/8US-DODarin1033380
216.0.0.0/8ARINarin9,0153,874,2231,407
217.0.0.0/8RIPE NCCripe3,8806,057,5183,583
218.0.0.0/8APNICapnic1,883276,8982,138
219.0.0.0/8APNICapnic1,290422,0402,183
220.0.0.0/8APNICapnic2,89588,0062,269
221.0.0.0/8APNICapnic1,57393,1221,106
222.0.0.0/8APNICapnic1,634276,3074,123
223.0.0.0/8APNICapnic2,792115,8828,614
224.0.0.0/8Multicastiana000
225.0.0.0/8Multicastiana000
226.0.0.0/8Multicastiana000
227.0.0.0/8Multicastiana000
228.0.0.0/8Multicastiana000
229.0.0.0/8Multicastiana000
230.0.0.0/8Multicastiana000
231.0.0.0/8Multicastiana000
232.0.0.0/8Multicastiana000
233.0.0.0/8Multicastiana000
234.0.0.0/8Multicastiana000
235.0.0.0/8Multicastiana000
236.0.0.0/8Multicastiana000
237.0.0.0/8Multicastiana000
238.0.0.0/8Multicastiana000
239.0.0.0/8Multicastiana000
240.0.0.0/8Future useiana000
241.0.0.0/8Future useiana000
242.0.0.0/8Future useiana000
243.0.0.0/8Future useiana000
244.0.0.0/8Future useiana000
245.0.0.0/8Future useiana000
246.0.0.0/8Future useiana000
247.0.0.0/8Future useiana000
248.0.0.0/8Future useiana000
249.0.0.0/8Future useiana000
250.0.0.0/8Future useiana000
251.0.0.0/8Future useiana000
252.0.0.0/8Future useiana000
253.0.0.0/8Future useiana000
254.0.0.0/8Future useiana000
255.0.0.0/8Future useiana000

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