All organizations

70,982 organizations with IPv4 allocations, ranked by IPs held.

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#	Organization	IPs	Ranges	Country	Category
1	United States Department of Defense DoD	285.97M	13,475	US	Government
2	Amazon.com, Inc.	179.16M	7,043	US	Hosting
3	AT&T Enterprises, LLC	103.36M	22,983	US	Isp
4	Chinanet	99.69M	9,440	CN	Isp
5	Verizon Business	86.82M	18,670	US	Isp
6	Microsoft Corporation	82.65M	1,509	US	Hosting
7	Comcast Cable Communications, LLC	68.31M	26,262	US	Isp
8	CHINA UNICOM China169 Backbone	57.25M	1,292	CN	Isp
9	Korea Telecom	46.40M	5,470	KR	Isp
10	SoftBank Corp.	40.37M	272	JP	Isp
11	Charter Communications, Inc	38.64M	16,232	US	Isp
12	Deutsche Telekom AG	34.18M	859	DE	Isp
13	Level 3 Parent, LLC	32.73M	8,355	US	Isp
14	NTT DOCOMO BUSINESS, Inc.	28.65M	161	JP	Mobile
15	Google, LLC	25.39M	1,065	US	Enterprise
16	Cogent Communications, LLC	24.43M	8,989	US	Isp
17	CenturyLink Communications, LLC	24.31M	8,616	US	Isp
18	Orange	22.76M	1,418	FR	Isp
19	TELEFONICA BRASIL S.A	22.02M	400	BR	Enterprise
20	TIM	21.88M	500	IT	Enterprise
21	KDDI CORPORATION	18.05M	235	JP	Isp
22	China Mobile Communications Group Co., Ltd.	17.28M	2,466	CN	Mobile
23	China Education and Research Network Center	17.12M	88	CN	Academic
24	Apple Inc.	16.94M	60	US	Enterprise
25	Mercedes-Benz Group AG	16.81M	10	DE	Enterprise
26	SK Broadband Co Ltd	16.77M	2,947	KR	Isp
27	British Telecommunications PLC	16.51M	615	GB	Isp
28	Societe Francaise Du Radiotelephone - SFR SA	16.08M	262	FR	Isp
29	Charter Communications LLC	14.01M	8,839	US	Isp
30	UNINET	13.51M	701	MX	Enterprise
31	T-Mobile USA, Inc.	13.48M	107	US	Mobile
32	Telstra Limited	13.46M	324	AU	Isp
33	Vodafone GmbH	12.76M	179	DE	Mobile
34	Cox Communications Inc.	12.75M	6,896	US	Isp
35	Data Communication Business Group	12.64M	167	TW	Enterprise
36	University of California, San Diego	12.13M	801	US	Academic
37	China Mobile communications corporation	11.70M	1,436	CN	Mobile
38	Rostelecom	11.06M	2,339	RU	Isp
39	Frontier Communications of America, Inc.	10.85M	8,217	US	Isp
40	Windstream Communications LLC	10.39M	2,032	US	Isp
41	Telefonica De Espana S.a.u.	10.39M	420	ES	Enterprise
42	LG POWERCOMM	10.31M	110	KR	Enterprise
43	Claro NXT Telecomunicacoes Ltda	9.97M	288	BR	Mobile
44	Fastweb	9.59M	314	IT	Enterprise
45	Hangzhou Alibaba Advertising Co.,Ltd.	9.42M	144	CN	Enterprise
46	SURF B.V.	9.41M	157	NL	Enterprise
47	China Telecom Group	8.92M	1,087	CN	Isp
48	Free SAS	8.89M	106	FR	Enterprise
49	Research Organization of Information and Systems, National Institute of Informatics	8.77M	477	JP	Academic
50	TIM SA	8.54M	100	BR	Enterprise
51	Virgin Media	8.49M	291	GB	Isp
52	Bell Canada	8.47M	1,511	CA	Isp
53	Telefonica Germany	8.40M	36	DE	Enterprise
54	Telecom Argentina S.A.	8.37M	466	AR	Isp
55	Akamai International B.V.	8.07M	3,804	NL	Cdn
56	LG DACOM Corporation	8.07M	2,639	KR	Enterprise
57	Wind Tre S.p.A.	7.95M	82	IT	Enterprise
58	China Unicom Beijing Province Network	7.84M	768	CN	Isp
59	Verein zur Foerderung eines Deutschen Forschungsnetzes e.V.	7.67M	366	DE	Enterprise
60	VNPT Corp	7.64M	164	VN	Enterprise
61	SK Telecom	7.55M	229	KR	Isp
62	KPN B.V.	7.46M	429	NL	Enterprise
63	Bouygues Telecom SA	7.17M	127	FR	Isp
64	Orange Espagne SA	7.00M	204	ES	Isp
65	Telia Company AB	6.97M	348	SE	Isp
66	Turk Telekom	6.93M	219	TR	Isp
67	Jisc Services Limited	6.89M	194	GB	Academic
68	ARTERIA Networks Corporation	6.85M	193	JP	Isp
69	JCOM Co., Ltd.	6.73M	171	JP	Enterprise
70	Vodafone Libertel B.V.	6.59M	167	NL	Mobile
71	TE Data	6.54M	19	EG	Enterprise
72	Headquarters, USAISC	6.50M	655	US	Enterprise
73	Tele2 SWIPnet	6.46M	273	EU	Isp
74	Etisalat Misr	6.32M	326	EG	Mobile
75	Shenzhen Tencent Computer Systems Company Limited	6.17M	115	CN	Enterprise
76	National Internet Backbone	6.15M	67	IN	Isp
77	Sky UK Limited	6.11M	55	GB	Enterprise
78	Oracle Corporation	6.08M	1,538	US	Hosting
79	Rogers Communications Canada Inc.	5.85M	700	CA	Isp
80	Saudi Telecom Company JSC	5.68M	325	SA	Isp
81	Alibaba US Technology Co., Ltd.	5.53M	359	CN	Enterprise
82	Orange Polska Spolka Akcyjna	5.51M	115	PL	Isp
83	Taiwan Academic Network TANet Information Center	5.49M	96	TW	Academic
84	Shaw Communications	5.31M	214	CA	Isp
85	Microplex PTY LTD	5.27M	67	AU	Enterprise
86	TDC Holding A/S	5.21M	197	DK	Enterprise
87	CLARO S.A.	5.16M	43	BR	Mobile
88	Itissalat Al-MAGHRIB	5.01M	82	MA	Enterprise
89	NTT America, Inc.	5.00M	1,791	US	Isp
90	Viettel Group	4.98M	246	VN	Enterprise
91	Renater	4.98M	457	FR	Academic
92	Cablevision Systems Corp.	4.91M	4,317	US	Isp
93	OVH SAS	4.77M	585	FR	Hosting
94	Akamai Technologies, Inc.	4.65M	2,415	US	Cdn
95	TELUS Communications	4.56M	833	CA	Isp
96	MOBINIL	4.51M	11	EG	Enterprise
97	COMUNICACION CELULAR S.A. COMCEL S.A.	4.46M	49	CO	Enterprise
98	GTT Communications Inc.	4.46M	3,912	US	Isp
99	Telefonica de Argentina	4.37M	260	AR	Enterprise
100	Telecom Algeria	4.31M	19	DZ	Isp

Related tools & guides

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Autonomous systems ranked by IPv4 address count.

Countries

IPv4 allocation by country.