All ASNs

77,563 autonomous systems announcing IPv4 space, ranked by IPs.

Page 1 of 1,552

#	ASN	Name	IPs	Prefixes	Country
1	AS749	United States Department of Defense DoD	222.80M	2,707	US
2	AS16509	Amazon.com, Inc.	153.00M	5,986	US
3	AS4134	Chinanet	100.94M	9,864	CN
4	AS7018	AT&T Enterprises, LLC	89.29M	21,524	US
5	AS7922	Comcast Cable Communications, LLC	67.61M	24,012	US
6	AS8075	Microsoft Corporation	65.34M	1,037	US
7	AS4837	CHINA UNICOM China169 Backbone	57.22M	1,187	CN
8	AS4766	Korea Telecom	46.36M	5,354	KR
9	AS701	Verizon Business	40.60M	13,833	US
10	AS17676	SoftBank Corp.	38.24M	156	JP
11	AS3320	Deutsche Telekom AG	34.15M	831	DE
12	AS721	United States Department of Defense DoD	29.45M	5,146	US
13	AS4713	NTT DOCOMO BUSINESS,Inc.	28.62M	166	JP
14	AS3356	Level 3 Parent, LLC	27.36M	4,510	US
15	AS174	Cogent Communications, LLC	24.18M	8,852	US
16	AS3269	TIM	20.73M	297	IT
17	AS3215	Orange	20.10M	567	FR
18	AS14618	Amazon.com, Inc.	19.90M	968	US
19	AS396982	Google LLC	19.88M	518	US
20	AS2516	KDDI CORPORATION	18.04M	228	JP
21	AS714	Apple Inc.	17.97M	30	US
22	AS6167	Verizon Business	17.69M	1,363	US
23	AS9808	China Mobile Communications Group Co., Ltd.	17.28M	2,402	CN
24	AS4538	China Education and Research Network Center	17.13M	135	CN
25	AS31399	Mercedes-Benz Group AG	16.81M	10	DE
26	AS15557	Societe Francaise Du Radiotelephone - SFR SA	15.81M	232	FR
27	AS209	CenturyLink Communications, LLC	15.35M	7,100	US
28	AS9318	SK Broadband Co Ltd	14.42M	2,451	KR
29	AS2856	British Telecommunications PLC	13.70M	430	GB
30	AS8151	UNINET	13.46M	723	MX
31	AS1221	Telstra Limited	13.39M	243	AU
32	AS21928	T-Mobile USA, Inc.	13.19M	34	US
33	AS20115	Charter Communications LLC	12.81M	6,705	US
34	AS3209	Vodafone GmbH	12.73M	215	DE
35	AS22394	Verizon Business	12.71M	377	US
36	AS22773	Cox Communications Inc.	12.50M	7,099	US
37	AS3462	Data Communication Business Group	12.22M	135	TW
38	AS7377	University of California, San Diego	12.08M	752	US
39	AS26599	TELEFONICA BRASIL S.A	10.74M	161	BR
40	AS3352	Telefonica De Espana S.a.u.	10.51M	394	ES
41	AS17858	LG POWERCOMM	10.31M	111	KR
42	AS7029	Windstream Communications LLC	10.24M	1,927	US
43	AS5650	Frontier Communications of America, Inc.	10.21M	8,875	US
44	AS28573	Claro NXT Telecomunicacoes Ltda	9.96M	270	BR
45	AS26615	TIM SA	9.79M	111	BR
46	AS37963	Hangzhou Alibaba Advertising Co.,Ltd.	9.37M	139	CN
47	AS12389	Rostelecom	9.12M	1,270	RU
48	AS12322	Free SAS	8.82M	86	FR
49	AS2907	Research Organization of Information and Systems, National Institute of Informatics	8.77M	476	JP
50	AS5089	Virgin Media	8.50M	267	GB