All organizations

71,551 organizations with IPv4 allocations, ranked by IPs held.

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#	Organization	IPs	Ranges	Country	Category
1	United States Department of Defense DoD	288.00M	15,566	US	Government
2	Amazon.com, Inc.	176.90M	7,994	US	Hosting
3	AT&T Enterprises, LLC	102.96M	29,535	US	Isp
4	Chinanet	101.07M	10,813	CN	Isp
5	Verizon Business	87.28M	24,748	US	Isp
6	Microsoft Corporation	82.65M	1,629	US	Hosting
7	Comcast Cable Communications, LLC	68.33M	35,163	US	Isp
8	CHINA UNICOM China169 Backbone	57.24M	1,308	CN	Isp
9	Korea Telecom	46.44M	5,570	KR	Isp
10	SoftBank Corp.	40.37M	295	JP	Isp
11	Charter Communications, Inc	38.87M	21,725	US	Isp
12	Deutsche Telekom AG	34.19M	1,031	DE	Isp
13	Level 3 Parent, LLC	32.88M	8,965	US	Isp
14	NTT DOCOMO BUSINESS, Inc.	28.65M	183	JP	Mobile
15	Cogent Communications, LLC	25.00M	10,284	US	Isp
16	CenturyLink Communications, LLC	24.56M	14,462	US	Isp
17	Google, LLC	23.41M	1,316	US	Enterprise
18	Orange	23.00M	1,485	FR	Isp
19	TIM	22.81M	577	IT	Enterprise
20	TELEFONICA BRASIL S.A	22.04M	455	BR	Enterprise
21	KDDI CORPORATION	18.05M	263	JP	Isp
22	Apple Inc.	17.99M	67	US	Enterprise
23	China Mobile Communications Group Co., Ltd.	17.44M	2,516	CN	Mobile
24	China Education and Research Network Center	17.13M	153	CN	Academic
25	British Telecommunications PLC	17.10M	751	GB	Isp
26	Mercedes-Benz Group AG	16.81M	10	DE	Enterprise
27	SK Broadband Co Ltd	16.68M	3,020	KR	Isp
28	Societe Francaise Du Radiotelephone - SFR SA	16.08M	356	FR	Isp
29	Charter Communications LLC	14.19M	11,303	US	Isp
30	UNINET	13.82M	909	MX	Enterprise
31	T-Mobile USA, Inc.	13.74M	116	US	Mobile
32	Telstra Limited	13.46M	337	AU	Isp
33	Vodafone GmbH	12.77M	220	DE	Mobile
34	Cox Communications Inc.	12.71M	9,361	US	Isp
35	Data Communication Business Group	12.64M	204	TW	Enterprise
36	University of California, San Diego	12.09M	873	US	Academic
37	China Mobile communications corporation	11.69M	1,470	CN	Mobile
38	Rostelecom	11.07M	2,450	RU	Isp
39	Frontier Communications of America, Inc.	10.88M	14,249	US	Isp
40	Telefonica De Espana S.a.u.	10.52M	505	ES	Enterprise
41	Windstream Communications LLC	10.40M	2,636	US	Isp
42	LG POWERCOMM	10.31M	131	KR	Enterprise
43	Claro NXT Telecomunicacoes Ltda	9.96M	299	BR	Mobile
44	TIM SA	9.79M	114	BR	Enterprise
45	Fastweb	9.71M	404	IT	Enterprise
46	SURF B.V.	9.61M	168	NL	Enterprise
47	Hangzhou Alibaba Advertising Co.,Ltd.	9.42M	145	CN	Enterprise
48	China Telecom Group	8.93M	1,158	CN	Isp
49	Free SAS	8.89M	104	FR	Enterprise
50	Research Organization of Information and Systems, National Institute of Informatics	8.77M	476	JP	Academic
51	Virgin Media	8.50M	308	GB	Isp
52	Bell Canada	8.44M	1,892	CA	Isp
53	Telefonica Germany	8.40M	35	DE	Enterprise
54	Telecom Argentina S.A.	8.37M	520	AR	Isp
55	Akamai International B.V.	8.13M	4,601	NL	Cdn
56	LG DACOM Corporation	8.09M	2,702	KR	Enterprise
57	Wind Tre S.p.A.	7.95M	127	IT	Enterprise
58	China Unicom Beijing Province Network	7.86M	785	CN	Isp
59	SK Telecom	7.70M	379	KR	Isp
60	Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	7.67M	365	DE	Enterprise
61	VNPT Corp	7.64M	186	VN	Enterprise
62	TE Data	7.59M	39	EG	Enterprise
63	KPN B.V.	7.46M	435	NL	Enterprise
64	Bouygues Telecom SA	7.17M	130	FR	Isp
65	Jisc Services Limited	7.03M	213	GB	Academic
66	Orange Espagne SA	7.01M	194	ES	Isp
67	Telia Company AB	6.98M	351	SE	Isp
68	Turk Telekom	6.93M	548	TR	Isp
69	Sky UK Limited	6.89M	37	GB	Enterprise
70	ARTERIA Networks Corporation	6.85M	194	JP	Isp
71	JCOM Co., Ltd.	6.73M	171	JP	Enterprise
72	Headquarters, USAISC	6.64M	1,001	US	Enterprise
73	Vodafone Libertel B.V.	6.64M	176	NL	Mobile
74	Tele2 SWIPnet	6.60M	280	EU	Isp
75	Etisalat Misr	6.32M	392	EG	Mobile
76	Shenzhen Tencent Computer Systems Company Limited	6.17M	120	CN	Enterprise
77	Itissalat Al-MAGHRIB	6.13M	94	MA	Enterprise
78	National Internet Backbone	6.11M	111	IN	Isp
79	Oracle Corporation	5.92M	1,728	US	Hosting
80	Rogers Communications Canada Inc.	5.79M	728	CA	Isp
81	Saudi Telecom Company JSC	5.68M	374	SA	Isp
82	Taiwan Academic Network TANet Information Center	5.60M	84	TW	Academic
83	Orange Polska Spolka Akcyjna	5.51M	116	PL	Isp
84	Alibaba US Technology Co., Ltd.	5.48M	397	CN	Enterprise
85	Akamai Technologies, Inc.	5.32M	3,158	US	Cdn
86	Shaw Communications	5.31M	243	CA	Isp
87	Microplex PTY LTD	5.27M	104	AU	Enterprise
88	TDC Holding A/S	5.22M	207	DK	Enterprise
89	CLARO S.A.	5.16M	43	BR	Mobile
90	Renater	5.02M	495	FR	Academic
91	Viettel Group	5.01M	265	VN	Enterprise
92	NTT America, Inc.	4.92M	2,038	US	Isp
93	Cablevision Systems Corp.	4.92M	6,225	US	Isp
94	GTT Communications Inc.	4.89M	4,841	US	Isp
95	V tal	4.88M	984	BR	Enterprise
96	TELUS Communications	4.73M	885	CA	Isp
97	OVH SAS	4.73M	624	FR	Hosting
98	COMUNICACION CELULAR S.A. COMCEL S.A.	4.52M	59	CO	Enterprise
99	Telefonica de Argentina	4.51M	296	AR	Enterprise
100	MOBINIL	4.51M	11	EG	Enterprise

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IPv4 allocation by country.