The top 100 Internet-Service-Provider's worldwide own 959,671,246 IP-addresses. This represents 23% of the total available IP's (4,210,359,297) worldwide.
ISP Country Number of IPs % of IPs
ISP Country Number of IPs % of IPs
DoD Network Information Center United States of America 149,232,375 3.5444
Level 3 Communications United States of America 37,436,549 0.8892
Hewlett-Packard Company United States of America 33,178,815 0.788
US Department of Defense Network United States of America 33,162,750 0.7876
Comcast Cable United States of America 32,500,152 0.7719
China Telecom China 26,131,635 0.6207
AT&T Internet Services United States of America 23,952,813 0.5689
Cogent Communications United States of America 16,757,049 0.398
University of California at San Diego United States of America 16,589,790 0.394
General Electric Company United States of America 16,581,375 0.3938
IBM Corporation United States of America 16,581,375 0.3938
Apple United States of America 16,581,375 0.3938
Massachusetts Institute of Technology United States of America 16,581,375 0.3938
Ford Motor Company United States of America 16,581,375 0.3938
Computer Sciences Corporation United States of America 16,581,375 0.3938
UK Ministry of Defence United Kingdom 16,581,375 0.3938
Halliburton Company United States of America 16,581,375 0.3938
The Prudential Insurance Company of America United States of America 16,581,375 0.3938
Daimler AG Germany 16,581,375 0.3938
United States Postal Service. United States of America 16,581,375 0.3938
NOVUM BANK LIMITED IP Space Belgium 16,581,120 0.3938
AT&T Services United States of America 16,562,861 0.3934
Time Warner Cable United States of America 16,011,449 0.3803
Merit Network United States of America 15,935,205 0.3785
AT&T Wireless United States of America 15,509,491 0.3684
Chiyoda-ku Japan 14,500,575 0.3444
China Unicom Liaoning China 14,033,415 0.3333
UK Government Department for Work and Pensions United Kingdom 13,980,375 0.332
Amazon Technologies Singapore 12,874,950 0.3058
CenturyLink United States of America 11,629,658 0.2762
Eli Lilly and Company United States of America 11,379,375 0.2703
Korea Telecom Korea 11,132,535 0.2644
Nortel Networks Canada 10,924,200 0.2595
E.I. du Pont de Nemours and Co. United States of America 10,208,925 0.2425
Verizon Business United States of America 9,847,176 0.2339
China Mobile Guangdong China 8,324,220 0.1977
Microsoft Corporation United States of America 7,857,060 0.1866
Cox Communications United States of America 7,497,000 0.1781
Merck and Co. United States of America 7,209,615 0.1712
Akamai Technologies United States of America 6,638,670 0.1577
Verizon Internet Services United States of America 6,403,560 0.1521
Softbank BB Corp Japan 6,351,030 0.1508
Deutsche Telekom AG Germany 6,307,425 0.1498
Charter Communications United States of America 6,262,286 0.1487
Sprint PCS United States of America 6,036,169 0.1434
SK Broadband Korea 5,129,580 0.1218
Verizon Wireless United States of America 4,963,122 0.1179
UUNET Technologies United States of America 4,815,420 0.1144
HiNet Taiwan 4,601,475 0.1093
Telstra Internet Australia 4,194,240 0.0996
Telkomsel Indonesia 4,162,620 0.0989
VDC Vietnam 4,161,600 0.0988
China eGovNet Information Center China 4,161,600 0.0988
Frontier Communications United States of America 4,161,313 0.0988
Xerox Corporation United States of America 4,096,575 0.0973
Windstream Communications United States of America 3,957,734 0.094
Kddi Corporation Japan 3,754,875 0.0892
SK Telecom Korea 3,722,490 0.0884
Shaw Communications Canada 3,669,705 0.0872
Optimum Online United States of America 3,645,459 0.0866
Aliyun Computing Co., LTD China 3,447,345 0.0819
China Education and Research Network Center China 3,446,325 0.0819
XO Communications United States of America 3,415,185 0.0811
LG DACOM Corporation Korea 2,897,565 0.0688
Optus Australia 2,690,250 0.0639
Verizon FiOS United States of America 2,558,414 0.0608
China TieTong China 2,471,970 0.0587
AMAZON United States of America 2,275,875 0.0541
Bell Canada Canada 2,261,602 0.0537
Orange mobile United Kingdom 2,210,850 0.0525
PT Telkom Indonesia Indonesia 2,178,210 0.0517
Rostelecom Russian Federation 2,150,415 0.0511
@Home Network Japan Japan 2,145,825 0.051
PTCL Pakistan 2,145,825 0.051
EE Limited United Kingdom 2,080,800 0.0494
China Telecom Zhejiang China 2,080,800 0.0494
Vodacom South Africa 2,080,800 0.0494
North Star Information Hi.tech Ltd. Co. China 2,080,800 0.0494
Vodafone Omnitel B.V. Italy 2,058,870 0.0489
NTT Docomo,INC. Japan 1,950,750 0.0463
Sky Broadband United Kingdom 1,755,675 0.0417
Mobily Saudi Arabia 1,722,525 0.0409
Open Computer Network Japan 1,592,985 0.0378
TE Data Egypt 1,560,600 0.0371
Telecom Italia Italy 1,536,104 0.0365
EarthLink United States of America 1,417,800 0.0337
Iran Cell Service and Communication Company Iran 1,300,500 0.0309
China Unicom Guangdong province China 1,300,500 0.0309
Microsoft Limited UK United Kingdom 1,300,500 0.0309
SaudiNet Saudi Arabia 1,255,620 0.0298
MegaPath Corporation United States of America 1,255,612 0.0298
China Unicom Beijing China 1,246,950 0.0296
tw telecom holdings United States of America 1,217,354 0.0289
AT&T U-verse United States of America 1,188,810 0.0282
H3G Italy Italy 1,178,610 0.028
Telecom Algeria Algeria 1,175,550 0.0279
BT United States of America 1,167,609 0.0277
Integra Telecom United States of America 1,138,415 0.027
Orange United States of America 1,117,920 0.0266
FreeBit Co.,Ltd. Japan 1,079,925 0.0256