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 America1,652,529,035100,516
Asia931,078,29853,537
Europe775,793,60480,954
South America157,068,62811,995
Africa110,085,4568,249
Oceania61,034,98513,281
Antarctica4,555117
Unspecified00

IPv4 Address Space Allocation By Country

CountryNumber of IP AddressesNumber of Subnets
🇺🇸 United States1,537,479,745111,954
🇨🇳 China344,159,3177,723
🇯🇵 Japan198,849,6649,933
🇩🇪 Germany130,438,88224,522
🇬🇧 United Kingdom128,812,13331,562
🇰🇷 South Korea115,526,2083,147
🇧🇷 Brazil90,522,0968,932
🇫🇷 France82,158,67926,797
🇨🇦 Canada72,231,02315,466
🇮🇹 Italy57,827,4018,527
» 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-00749224,885,7602,535
ASN4134 - Chinanet102,779,8958,379
ASN7018 - ATT-INTERNET492,430,79610,609
ASN7922 - COMCAST-792269,674,4034,290
ASN4837 - CHINA UNICOM China169 Backbone57,151,7411,165
ASN8075 - MICROSOFT-CORP-MSN-AS-BLOCK54,150,143569
ASN16509 - AMAZON-0246,577,9183,542
ASN4766 - Korea Telecom46,360,8315,212
ASN17676 - SoftBank Corp.43,579,648154
ASN701 - UUNET39,948,5335,235
» 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 Military212,941,0322,450
China Telecom124,391,0941,137
AT&T Internet80,383,56913,921
US Air Force70,397,184472
China Unicom70,117,4991,215
Amazon.com60,420,1883,196
Comcast Cable59,845,4693,761
Microsoft Azure49,012,607304
Korea Telecom47,008,2391,059
SOFTBANK Corp.45,583,092293
» Show IP address allocation for all internet service providers...

IPv4 Address Space Allocation By Organization

OrganizationNumber of IP AddressesNumber of Subnets
US Military239,001,5763,485
China Telecom122,964,8543,114
AT&T Internet78,489,79316,010
China Unicom69,165,0512,017
Amazon.com60,480,0853,409
Comcast Cable59,804,9903,765
Microsoft Azure49,078,141334
Korea Telecom46,385,9035,062
SOFTBANK Corp.45,600,756343
Spectrum43,740,8404,508
» Show IP address allocation for all organizations...