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 America1,652,436,78798,950
Asia931,265,74052,944
Europe775,756,50380,487
South America156,926,75911,990
Africa109,870,3198,259
Oceania61,088,55212,879
Antarctica4,554116
Unspecified00

IPv4 Address Space Allocation By Country

CountryNumber of IP AddressesNumber of Subnets
🇺🇸 United States1,537,378,148110,274
🇨🇳 China344,181,8267,636
🇯🇵 Japan199,170,0769,901
🇩🇪 Germany130,497,86524,402
🇬🇧 United Kingdom127,433,41431,490
🇰🇷 South Korea115,510,4563,025
🇧🇷 Brazil90,457,6348,807
🇫🇷 France82,002,61126,682
🇨🇦 Canada72,362,99315,151
🇮🇹 Italy57,818,1208,580
» 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-00749224,938,4962,568
ASN4134 - Chinanet102,843,6408,746
ASN7018 - ATT-INTERNET492,312,78810,398
ASN7922 - COMCAST-792269,669,8074,074
ASN4837 - CHINA UNICOM China169 Backbone57,156,8621,158
ASN8075 - MICROSOFT-CORP-MSN-AS-BLOCK52,177,407527
ASN16509 - AMAZON-0246,361,0863,415
ASN4766 - Korea Telecom45,277,6955,211
ASN17676 - SoftBank Corp.43,581,440152
ASN701 - UUNET39,901,6865,232
» 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 Military213,064,9362,419
China Telecom124,394,4231,128
AT&T Internet80,536,03010,549
US Air Force70,329,088469
China Unicom70,243,4521,202
Amazon.com60,267,9963,074
Comcast Cable59,789,4283,475
Microsoft Azure49,012,607304
Korea Telecom45,925,8711,048
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 Military239,600,6163,696
China Telecom122,943,3513,091
AT&T Internet78,627,40612,850
China Unicom69,296,6361,992
Amazon.com60,324,0533,277
Comcast Cable59,751,7583,485
Microsoft Azure49,078,141334
SOFTBANK Corp.45,602,804341
Korea Telecom45,303,7915,047
Spectrum43,934,3844,455
» Show IP address allocation for all organizations...