IP Address Allocation

Below you will find the IP address distribution to various continents, countries, ASNs (Autonomous System Numbers), ISPs (Internet Service Providers) and organizations. Follow the respective links to learn more about the subnets that are assigned to or allocated by a specific entity.

IPv4 Address Space Allocation By Continent

ContinentNumber of IP AddressesNumber of Subnets
North America1,652,598,088100,309
Asia931,203,99253,488
Europe775,674,21580,657
South America157,017,22412,095
Africa110,084,2818,251
Oceania60,992,15413,125
Antarctica4,555117
Unspecified00

IPv4 Address Space Allocation By Country

CountryNumber of IP AddressesNumber of Subnets
🇺🇸 United States1,537,565,560111,788
🇨🇳 China344,168,9497,722
🇯🇵 Japan198,939,77710,002
🇩🇪 Germany130,526,36124,450
🇬🇧 United Kingdom128,403,60831,025
🇰🇷 South Korea115,519,8023,137
🇧🇷 Brazil90,480,3408,902
🇫🇷 France82,133,42827,034
🇨🇦 Canada72,237,39215,422
🇮🇹 Italy57,811,8248,534
» Show IP address allocation for all countries...

IPv4 Address Space Allocation By ASN (Autonomous System Number)

Autonomous System Number (ASN)Number of IP AddressesNumber of Subnets
ASN749 - DNIC-AS-00749224,897,7922,520
ASN4134 - Chinanet102,761,4638,492
ASN7018 - ATT-INTERNET492,405,45410,545
ASN7922 - COMCAST-792269,676,9654,239
ASN4837 - CHINA UNICOM China169 Backbone57,152,2531,166
ASN8075 - MICROSOFT-CORP-MSN-AS-BLOCK54,147,839567
ASN16509 - AMAZON-0246,478,0783,545
ASN4766 - Korea Telecom46,364,1595,208
ASN17676 - SoftBank Corp.43,579,904155
ASN701 - UUNET39,939,3175,225
» Show IP address allocation for all autonomous system numbers...

IPv4 Address Space Allocation By ISP (Internet Service Provider)

ISPNumber of IP AddressesNumber of Subnets
US Military213,019,1122,438
China Telecom124,391,0941,137
AT&T Internet80,413,15513,890
US Air Force70,393,344471
China Unicom70,117,4991,215
Amazon.com60,410,9723,185
Comcast Cable59,805,2913,644
Microsoft Azure49,012,607304
Korea Telecom47,011,5671,055
SOFTBANK Corp.45,583,348294
» Show IP address allocation for all internet service providers...

IPv4 Address Space Allocation By Organization

OrganizationNumber of IP AddressesNumber of Subnets
US Military239,096,5523,482
China Telecom122,965,3663,118
AT&T Internet78,519,63515,981
China Unicom69,164,5392,023
Amazon.com60,470,6133,398
Comcast Cable59,764,8043,652
Microsoft Azure49,078,141334
Korea Telecom46,389,4875,053
SOFTBANK Corp.45,601,012344
Spectrum43,740,3294,513
» Show IP address allocation for all organizations...