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 America1,652,476,21498,803
Asia931,224,37052,952
Europe775,820,77880,658
South America156,895,52211,971
Africa109,846,6758,361
Oceania61,045,00812,722
Antarctica4,559121
Unspecified00

IPv4 Address Space Allocation By Country

CountryNumber of IP AddressesNumber of Subnets
🇺🇸 United States1,537,365,697110,236
🇨🇳 China344,173,8747,628
🇯🇵 Japan199,203,43110,060
🇩🇪 Germany130,520,71124,487
🇬🇧 United Kingdom127,174,50931,427
🇰🇷 South Korea115,509,1763,020
🇧🇷 Brazil90,431,1868,769
🇫🇷 France82,030,58726,487
🇨🇦 Canada72,432,29815,034
🇮🇹 Italy57,799,0378,586
» 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-00749224,937,4722,680
ASN4134 - Chinanet102,843,6408,746
ASN7018 - ATT-INTERNET492,283,34910,350
ASN7922 - COMCAST-792269,668,7844,055
ASN4837 - CHINA UNICOM China169 Backbone57,157,1181,150
ASN8075 - MICROSOFT-CORP-MSN-AS-BLOCK52,176,383523
ASN16509 - AMAZON-0246,254,5903,403
ASN4766 - Korea Telecom45,277,6955,210
ASN17676 - SoftBank Corp.43,581,696153
ASN701 - UUNET39,898,8705,233
» 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 Military213,142,5042,456
China Telecom124,394,4231,128
AT&T Internet80,530,91110,514
US Air Force70,266,368471
China Unicom70,243,4521,202
Amazon.com59,956,5723,040
Comcast Cable59,797,1093,459
Microsoft Azure49,012,607304
Korea Telecom45,925,6151,048
SOFTBANK Corp.45,585,396293
» Show IP address allocation for all internet service providers...

IPv4 Address Space Allocation By Organization

OrganizationNumber of IP AddressesNumber of Subnets
US Military239,596,7763,643
China Telecom122,943,3513,091
AT&T Internet78,616,14312,811
China Unicom69,296,6361,992
Amazon.com60,004,9493,239
Comcast Cable59,758,4153,471
Microsoft Azure49,078,141334
SOFTBANK Corp.45,603,060342
Korea Telecom45,303,7915,041
Spectrum43,933,1064,418
» Show IP address allocation for all organizations...