All organizations

69,466 organizations with IPv4 allocations, ranked by IPs held.

Page 1 of 1,390

#	Organization	IPs	Ranges	Country	Category
1	United States Department of Defense DoD	287.62M	13,188	US	Government
2	Amazon.com, Inc.	172.93M	6,975	US	Hosting
3	AT&T Enterprises, LLC	102.92M	23,321	US	Isp
4	Chinanet	100.94M	9,864	CN	Isp
5	Verizon Business	86.90M	18,480	US	Isp
6	Comcast Cable Communications, LLC	68.17M	24,737	US	Isp
7	Microsoft Corporation	66.98M	1,358	US	Hosting
8	CHINA UNICOM China169 Backbone	57.22M	1,187	CN	Isp
9	Korea Telecom	46.38M	5,436	KR	Isp
10	SoftBank Corp.	40.17M	289	JP	Enterprise
11	Deutsche Telekom AG	34.17M	847	DE	Isp
12	Charter Communications Inc	33.05M	14,660	US	Isp
13	Level 3 Parent, LLC	32.61M	8,314	US	Enterprise
14	NTT DOCOMO BUSINESS,Inc.	28.62M	166	JP	Isp
15	CenturyLink Communications, LLC	24.48M	9,556	US	Isp
16	Cogent Communications, LLC	24.20M	8,861	US	Isp
17	Google LLC	23.24M	984	US	Hosting
18	Orange	22.95M	1,324	FR	Enterprise
19	TIM	22.80M	468	IT	Enterprise
20	TELEFONICA BRASIL S.A	21.97M	444	BR	Mobile
21	KDDI CORPORATION	18.04M	228	JP	Isp
22	Apple Inc.	17.99M	59	US	Enterprise
23	China Mobile Communications Group Co., Ltd.	17.28M	2,402	CN	Mobile
24	China Education and Research Network Center	17.13M	135	CN	Enterprise
25	British Telecommunications PLC	17.03M	591	GB	Isp
26	Mercedes-Benz Group AG	16.81M	10	DE	Enterprise
27	SK Broadband Co Ltd	16.61M	2,905	KR	Isp
28	Societe Francaise Du Radiotelephone - SFR SA	16.08M	266	FR	Isp
29	Charter Communications LLC	14.07M	7,813	US	Isp
30	T-Mobile USA, Inc.	13.74M	111	US	Mobile
31	Telstra Limited	13.46M	254	AU	Enterprise
32	UNINET	13.46M	729	MX	Enterprise
33	Vodafone GmbH	12.73M	215	DE	Mobile
34	Data Communication Business Group	12.64M	153	TW	Enterprise
35	Cox Communications Inc.	12.50M	7,099	US	Isp
36	University of California, San Diego	12.08M	752	US	Academic
37	China Mobile communications corporation	11.68M	1,407	CN	Mobile
38	Rostelecom	11.05M	2,336	RU	Isp
39	Frontier Communications of America, Inc.	10.76M	9,221	US	Isp
40	Telefonica De Espana S.a.u.	10.52M	405	ES	Mobile
41	LG POWERCOMM	10.31M	111	KR	Enterprise
42	Windstream Communications LLC	10.24M	1,927	US	Isp
43	Claro NXT Telecomunicacoes Ltda	9.96M	271	BR	Isp
44	TIM SA	9.79M	111	BR	Enterprise
45	Fastweb	9.71M	324	IT	Enterprise
46	SURF B.V.	9.54M	150	NL	Enterprise
47	Hangzhou Alibaba Advertising Co.,Ltd.	9.37M	139	CN	Enterprise
48	Free SAS	8.89M	87	FR	Enterprise
49	China Telecom Group	8.88M	1,084	CN	Isp
50	Research Organization of Information and Systems, National Institute of Informatics	8.77M	476	JP	Academic