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Top ASNs

Autonomous System Numbers controlling the largest number of IP addresses across tracked networks.

1 AS749 United States Department of Defense (DoD) US
227,731,200 IPs
2 AS16509 Amazon.com, Inc. US
208,041,472 IPs
3 AS7018 AT&T Enterprises, LLC US
113,688,832 IPs
4 AS4134 No.31,Jin-rong Street CN
111,776,512 IPs
5 AS721 United States Department of Defense (DoD) US
73,133,568 IPs
6 AS4766 Korea Telecom KR
69,946,880 IPs
7 AS7922 Comcast Cable Communications, LLC US
68,081,152 IPs
8 AS8075 Microsoft Corporation US
66,091,264 IPs
9 AS4837 CHINA UNICOM China169 Backbone CN
59,368,960 IPs
10 AS9808 China Mobile CN
56,514,304 IPs
11 AS17676 SoftBank Mobile Corp. JP
48,599,296 IPs
12 AS396982 Google LLC US
47,277,568 IPs
13 AS714 Apple Inc. US
45,736,704 IPs
14 AS701 Verizon Business US
43,809,024 IPs
15 AS4538 China Education and Research Network Center CN
41,255,168 IPs
16 AS174 Cogent Communications, LLC US
36,782,080 IPs
17 AS3320 Deutsche Telekom AG DE
36,158,976 IPs
18 AS3356 Level 3 Parent, LLC US
34,545,152 IPs
19 AS22394 Verizon Business US
31,018,752 IPs
20 AS4713 NTT DOCOMO BUSINESS,Inc. JP
28,625,152 IPs
21 AS209 CenturyLink Communications, LLC US
26,253,056 IPs
22 AS9318 SK Broadband Co Ltd KR
25,764,608 IPs
23 AS22773 Cox Communications Inc. US
23,605,504 IPs
24 AS8151 UNINET MX
23,357,440 IPs
25 AS3269 Telecom Italia S.p.A. IT
22,566,400 IPs
26 AS14618 Amazon.com, Inc. US
20,742,400 IPs
27 AS17858 LG POWERCOMM KR
20,607,744 IPs
28 AS37963 Hangzhou Alibaba Advertising Co.,Ltd. CN
20,314,112 IPs
29 AS3215 Orange S.A. FR
20,148,736 IPs
30 AS7552 Viettel Group VN
19,289,088 IPs
31 AS7303 Telecom Argentina S.A. AR
18,789,888 IPs
32 AS26599 TELEFÔNICA BRASIL S.A BR
18,763,264 IPs
33 AS2856 British Telecommunications PLC GB
18,332,416 IPs
34 AS2516 KDDI CORPORATION JP
18,099,456 IPs
35 AS5089 Virgin Media Limited GB
17,985,280 IPs
36 AS6167 Verizon Business US
17,694,720 IPs
37 AS12389 PJSC Rostelecom RU
17,200,896 IPs
38 AS31399 Mercedes-Benz Group AG DE
16,805,888 IPs
39 AS6713 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM MA
16,414,464 IPs
40 AS3462 Chunghwa Telecom Co., Ltd. TW
16,359,936 IPs
41 AS3209 Vodafone GmbH DE
15,851,008 IPs
42 AS15557 Societe Francaise Du Radiotelephone - SFR SA FR
15,829,504 IPs
43 AS12322 Free SAS FR
15,704,064 IPs
44 AS20940 Akamai International B.V. NL
15,592,192 IPs
45 AS45899 VNPT Corp VN
15,546,880 IPs
46 AS8452 TE-AS EG
15,100,032 IPs
47 AS12479 Orange Espagne SA ES
14,569,728 IPs
48 AS36992 ETISALAT MISR EG
14,384,896 IPs
49 AS21928 T-Mobile USA, Inc. US
13,944,320 IPs
50 AS9121 Turk Telekomunikasyon Anonim Sirketi TR
13,911,296 IPs