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 America1,652,876,56899,634
Asia931,455,09853,234
Europe775,099,05280,905
South America156,939,70212,056
Africa109,902,0898,253
Oceania61,080,96912,902
Antarctica4,555117
Unspecified00

IPv4 Address Space Allocation By Country

CountryNumber of IP AddressesNumber of Subnets
🇺🇸 United States1,537,789,372110,890
🇨🇳 China344,181,9677,666
🇯🇵 Japan199,199,7679,976
🇩🇪 Germany130,436,49124,483
🇬🇧 United Kingdom127,661,40931,712
🇰🇷 South Korea115,511,4773,029
🇧🇷 Brazil90,463,1058,850
🇫🇷 France82,035,38226,941
🇨🇦 Canada72,381,19915,176
🇮🇹 Italy57,825,3588,604
» 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-00749224,916,9922,667
ASN4134 - Chinanet102,819,0648,778
ASN7018 - ATT-INTERNET492,334,54810,430
ASN7922 - COMCAST-792269,670,0614,102
ASN4837 - CHINA UNICOM China169 Backbone57,158,1421,151
ASN8075 - MICROSOFT-CORP-MSN-AS-BLOCK54,209,279538
ASN16509 - AMAZON-0246,470,1423,466
ASN4766 - Korea Telecom45,277,9515,190
ASN17676 - SoftBank Corp.43,581,440152
ASN701 - UUNET39,904,7585,238
» 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 Military213,061,0962,425
China Telecom124,392,3751,126
AT&T Internet80,530,93111,095
US Air Force70,326,528465
China Unicom70,116,4761,204
Amazon.com60,349,4043,101
Comcast Cable59,789,9393,501
Microsoft Azure49,012,607304
Korea Telecom45,925,3591,046
SOFTBANK Corp.45,585,140292
» Show IP address allocation for all internet service providers...

IPv4 Address Space Allocation By Organization

OrganizationNumber of IP AddressesNumber of Subnets
US Military239,529,9603,691
China Telecom122,964,3433,093
AT&T Internet78,628,70713,380
China Unicom69,169,6601,994
Amazon.com60,405,9733,306
Comcast Cable59,752,2683,510
Microsoft Azure49,078,141334
SOFTBANK Corp.45,602,804341
Korea Telecom45,304,3035,021
Spectrum43,800,7524,454
» Show IP address allocation for all organizations...