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Main Content

World IP allocation based on Hosted Domains


Domain Counts Country IPs World IPs DMOZ Listings Registrar Stats Name Intelligence Awards

The following is an IP mapping of domains in the COM, NET, ORG, INFO, BIZ, US space. The number of domains that resolve to which network addresses. Each network address coincides with an authority for that block, usually that authority resides in just one continent. A Network Block also goes by the name Class-A network. Blocks with fewer then 50 domains have been set to zero for simplicity. Domain owners may map DNS of their domain to any IP, but the domain will not resolve if the IP is in a dead zone.


Class-A Domains Hosted Description
124,631   IANA - Reserved
20   IANA - Reserved
30   General Electric Company
416,763   Level3/Genuity-BBN (IANA INFO: Bolt Beranek and Newman Inc.)
50   IANA - Reserved
60   Army Information Systems Center
70   IANA - Reserved
826,057   Level3/Genuity-BBN (IANA INFO: Bolt Beranek and Newman Inc.)
90   IBM
101,978   IANA - Private Use. See RFC 1918
1179   DoD Intel Information Systems
12214,231   AT&T Bell Laboratories
13177   Xerox Corporation
140   IANA - Public Data Network
15147   Hewlett-Packard Company
160   Digital Equipment Corporation
17180   Apple Computer Inc.
18498   MIT
190   Ford Motor Company
2069   Computer Sciences Corporation
210   DDN-RVN
220   Defense Information Systems Agency
230   IANA - Reserved
24144,335   ARIN - Cable Block (Formerly IANA - Jul 95)
250   Royal Signals and Radar Establishment
260   Defense Information Systems Agency
270   IANA - Reserved
280   DSI-North
290   Defense Information Systems Agency
300   Defense Information Systems Agency
310   IANA - Reserved
32280   AT&T (IANA INFO: Norsk Informasjonsteknologi)
330   DLA Systems Automation Center
340   Halliburton Company
35374   MERIT Computer Network
360   IANA - Reserved (Formerly Stanford University - Apr 93 to
370   IANA - Reserved
38184,649   COGENT/PSI (IANA INFO: Performance Systems International)
390   IANA - Reserved
40285   Eli Lily and Company
410   AFRINIC
420   IANA - Reserved
431,549   V6NIC
440   Amateur Radio Digital Communications
450   Interop Show Network
460   Level3/Genuity-BBN (IANA INFO: Bolt Beranek and Newman Inc.)
4753   Nortel (IANA INFO: Bell-Northern Research)
480   Prudential Securities Inc.
490   IANA (Formerly DoD - Joint Technical Command. Used: May 94
500   IANA (Formerly DoD - Joint Technical Command. Used: May 94
510   Deparment of Social Security of UK (EU territory should be
5293   E.I. duPont de Nemours and Co., Inc.
5369   Cap Debis CCS (EU territory should be in RIPE database)
540   Merck and Co., Inc.
550   Naval Ocean Systems Center (IANA INFO: Boeing Computer Services)
560   U.S. Postal Service
57542   SITA (Equant.Net routable. EU territory should be in RIPE database)
5814,259   APNIC
5941,684   APNIC
6024,364   APNIC
61439,278   APNIC
62860,328   RIPE
63842,130   ARIN
6410,248,765   ARIN
651,374,615   ARIN
666,030,266   ARIN
67988,896   ARIN
681,134,834   ARIN
692,269,583   ARIN
70620,392   ARIN
7137,917   ARIN
72764,684   ARIN
730   ARIN
740   ARIN
750   ARIN
760   ARIN
770   IANA - Reserved
780   IANA - Reserved
790   IANA - Reserved
801,006,610   RIPE
81548,040   RIPE
821,253,887   RIPE
83370,109   RIPE
84248,976   RIPE
85130,775   RIPE
8619,068   RIPE
8715,909   RIPE
88693   RIPE
890   RIPE
900   RIPE
910   RIPE
920   IANA - Reserved
930   IANA - Reserved
940   IANA - Reserved
950   IANA - Reserved
960   IANA - Reserved
970   IANA - Reserved
980   IANA - Reserved
99156   IANA - Reserved
1000   IANA - Reserved
1010   IANA - Reserved
1020   IANA - Reserved
1030   IANA - Reserved
1040   IANA - Reserved
1050   IANA - Reserved
1060   IANA - Reserved
1070   IANA - Reserved
1080   IANA - Reserved
1090   IANA - Reserved
1100   IANA - Reserved
11153   IANA - Reserved
1120   IANA - Reserved
1130   IANA - Reserved
1140   IANA - Reserved
1150   IANA - Reserved
1160   IANA - Reserved
1170   IANA - Reserved
1180   IANA - Reserved
1190   IANA - Reserved
1200   IANA - Reserved
1210   IANA - Reserved
12260   IANA - Reserved
12363   IANA - Reserved
1240   APNIC
125761   APNIC
1260   APNIC
12710,095   IANA - Reserved Loopback. See RFC 3330
12881,753   Various Registries - Early Internic Registrations
12919,801   Various Registries - Early Internic Registrations
13032,459   Various Registries - Early Internic Registrations
1315,982   Various Registries - Early Internic Registrations
1321,852   Various Registries - Early Internic Registrations
133690   JPNIC
1345,889   Various Registries - Early Internic Registrations
135786   Various Registries - Early Internic Registrations
1367,109   Various Registries - Early Internic Registrations
1373,599   Various Registries - Early Internic Registrations
1382,003   Various Registries - Early Internic Registrations
13926,376   Various Registries - Early Internic Registrations
14024,882   Various Registries - Early Internic Registrations
1419,900   Various Registries - Early Internic Registrations
14212,182   Various Registries - Early Internic Registrations
1433,789   Various Registries - Early Internic Registrations
1445,085   Various Registries - Early Internic Registrations
1457,124   RIPE
14614,873   Various Registries - Early Internic Registrations
14742,144   Various Registries - Early Internic Registrations
14811,745   Various Registries - Early Internic Registrations
1497,621   Various Registries - Early Internic Registrations
1504,918   Various Registries - Early Internic Registrations
15127,908   Various Registries - Early Internic Registrations
1525,050   Various Registries - Early Internic Registrations
1531,132   Various Registries - Early Internic Registrations
1542,535   Various Registries - Early Internic Registrations
1559,310   Various Registries - Early Internic Registrations
1562,647   Various Registries - Early Internic Registrations
1577,968   Various Registries - Early Internic Registrations
1582,343   Various Registries - Early Internic Registrations
15925,066   Various Registries - Early Internic Registrations
1606,109   Various Registries - Early Internic Registrations
161139,209   Various Registries - Early Internic Registrations
16215,446   Various Registries - Early Internic Registrations
1632,687   Various Registries - Early Internic Registrations
16427,763   Various Registries - Early Internic Registrations
16510,365   Various Registries - Early Internic Registrations
16613,199   Various Registries - Early Internic Registrations
16718,613   Various Registries - Early Internic Registrations
16888,412   Various Registries - Early Internic Registrations
1692,602   Various Registries - Early Internic Registrations
1708,460   Various Registries - Early Internic Registrations
1711,559   Various Registries - Early Internic Registrations
172617   Various Registries - Early Internic Registrations
1730   IANA - Reserved
1740   IANA - Reserved
1750   IANA - Reserved
1760   IANA - Reserved
1770   IANA - Reserved
1780   IANA - Reserved
1790   IANA - Reserved
1800   IANA - Reserved
1810   IANA - Reserved
1820   IANA - Reserved
1830   IANA - Reserved
1840   IANA - Reserved
1850   IANA - Reserved
1860   IANA - Reserved
1870   IANA - Reserved
1880   RIPE
1890   LACNIC
1900   LACNIC
1910   Reserved - ARIN whois shows only one allocation of 191.255.0.0/16
192281,709   Various Registries MultiRegional - Early Registrations
193320,267   RIPE
194407,628   RIPE
195976,105   RIPE
19633,658   AFRINIC
1970   IANA - Reserved
198293,866   Various Registries - Early Internic Registrations
199138,804   ARIN - North America
200164,054   LACNIC
2019,633   LACNIC
202493,399   APNIC
203354,586   APNIC
2041,819,542   ARIN - North America
205502,428   ARIN - North America
206615,148   ARIN - North America
2071,095,785   ARIN - North America
208991,844   ARIN - North America
2091,585,508   ARIN - North America
210496,073   APNIC
211360,059   APNIC
2121,962,779   RIPE
2131,223,617   RIPE
2140   US Department of Defense
2150   US Department of Defense
2166,586,977   ARIN - North America
2171,178,999   RIPE
218484,218   APNIC
219139,164   APNIC
220100,163   APNIC
22181,363   APNIC
222143,613   APNIC
2230   IANA - Reserved
2240   IANA - Multicast. See RFC 3171
2250   IANA - Multicast. See RFC 3171
2260   IANA - Multicast. See RFC 3171
2270   IANA - Multicast. See RFC 3171
2280   IANA - Multicast. See RFC 3171
2290   IANA - Multicast. See RFC 3171
2300   IANA - Multicast. See RFC 3171
2310   IANA - Multicast. See RFC 3171
2320   IANA - Multicast. See RFC 3171
2330   IANA - Multicast. See RFC 3171
2340   IANA - Multicast. See RFC 3171
2350   IANA - Multicast. See RFC 3171
2360   IANA - Multicast. See RFC 3171
2370   IANA - Multicast. See RFC 3171
2380   IANA - Multicast. See RFC 3171
2390   IANA - Multicast. See RFC 3171
2400   IANA - Reserved
2410   IANA - Reserved
2420   IANA - Reserved
2430   IANA - Reserved
2440   IANA - Reserved
2450   IANA - Reserved
2460   IANA - Reserved
2470   IANA - Reserved
2480   IANA - Reserved
2490   IANA - Reserved
2500   IANA - Reserved
2510   IANA - Reserved
2520   IANA - Reserved
2530   IANA - Reserved
2540   IANA - Reserved
2556,015   IANA - Reserved