Top Attacking ISPs and ASNs

Ranking of Internet providers and ASNs with highest number of malicious IPs and detected attacks.

#	ISP/ASN	Country	IPs	Attacks	%
1	Alsycon B.V.	🇺🇸	4	217,577	33.6%
2	DIGITALOCEAN-ASN	🇩🇪	165	120,176	18.6%
3	Unmanaged Ltd	🇷🇴	16	39,884	6.2%
4	LANTEC COMUNICACAO MULTIMIDIA LTDA	🇧🇷	1	22,331	3.4%
5	MEVSPACE sp. z o.o.	🇵🇱	4	21,027	3.2%
6	Hangzhou Alibaba Advertising Co.,Ltd.	🇨🇳	14	19,598	3.0%
7	Pfcloud UG (haftungsbeschrankt)	🇩🇪	23	16,320	2.5%
8	Techoff Srv Limited	🇳🇱	4	10,055	1.6%
9	Gening Nikita Dmitrievich	🇩🇪	1	9,728	1.5%
10	Byteplus Pte. Ltd.	🇸🇬	41	8,575	1.3%
11	Aeza International Ltd	🇸🇪	2	7,278	1.1%
12	Unknown	🇳🇱	7	6,953	1.1%
13	RELIABLESITE	🇭🇰	2	6,665	1.0%
14	Hanoi Telecom Joint Stock Company - HCMC Branch	🇻🇳	1	6,657	1.0%
15	Vpsvault.host Ltd	🇺🇸	3	6,526	1.0%
16	AS-COLOCROSSING	🇺🇸	8	6,153	1.0%
17	AMAZON-02	🇺🇸	8	6,093	0.9%
18	UCLOUD INFORMATION TECHNOLOGY HK LIMITED	🇭🇰	23	4,984	0.8%
19	NETIFACELLC	🇸🇮	7	4,930	0.8%
20	dataforest GmbH	🇧🇬	2	4,925	0.8%
21	Akamai Connected Cloud	🇺🇸	39	4,890	0.8%
22	Viettel Group	🇻🇳	3	4,566	0.7%
23	OVH SAS	🇨🇦	9	4,034	0.6%
24	Web Werks India Pvt. Ltd.	🇮🇳	1	3,469	0.5%
25	PT Cloud Hosting Indonesia	🇮🇩	10	3,465	0.5%
26	UAB Host Baltic	🇬🇧	6	3,187	0.5%
27	TE Data	🇪🇬	1	2,994	0.5%
28	Chinanet	🇨🇳	12	2,925	0.5%
29	MICROSOFT-CORP-MSN-AS-BLOCK	🇺🇸	8	2,792	0.4%
30	ColocaTel Inc.	🇩🇪	3	2,456	0.4%
31	Philippine Long Distance Telephone Company	🇵🇭	4	2,429	0.4%
32	Feo Prest SRL	🇮🇷	5	2,399	0.4%
33	Iran Telecommunication Company PJS	🇮🇷	2	2,348	0.4%
34	PT Telekomunikasi Indonesia	🇮🇩	4	2,336	0.4%
35	Hostglobal.plus Ltd	🇬🇧	5	2,198	0.3%
36	Contabo GmbH	🇫🇷	7	2,089	0.3%
37	CENSYS-ARIN-01	🇺🇸	100	1,989	0.3%
38	HURRICANE	🇺🇸	66	1,972	0.3%
39	China Telecom Group	🇨🇳	10	1,724	0.3%
40	SK Broadband Co Ltd	🇰🇷	4	1,646	0.3%
41	Hetzner Online GmbH	🇺🇸	2	1,508	0.2%
42	COGENT-174	🇺🇸	4	1,431	0.2%
43	Beijing Volcano Engine Technology Co., Ltd.	🇨🇳	7	1,412	0.2%
44	Global-Data System IT Corporation	🇬🇧	4	1,366	0.2%
45	Korea Telecom	🇰🇷	4	1,355	0.2%
46	PONYNET	🇺🇸	3	1,280	0.2%
47	TOPNET	🇹🇳	1	1,217	0.2%
48	Azertelecom LLC	🇦🇿	1	1,216	0.2%
49	NODESTOP-LLC	🇺🇸	1	1,191	0.2%
50	MTS PJSC	🇷🇺	1	1,184	0.2%
51	Detai Prosperous Technologies Limited	🇩🇪	8	1,102	0.2%
52	Hostkey B.v.	🇳🇱	1	1,097	0.2%
53	INTERDIGI JOINT STOCK COMPANY	🇻🇳	2	1,076	0.2%
54	GOOGLE-CLOUD-PLATFORM	🇧🇪	52	1,054	0.2%
55	IP Volume inc	🇺🇸	7	950	0.1%
56	Scaleway S.a.s.	🇫🇷	3	886	0.1%
57	Private Layer INC	🇨🇭	1	845	0.1%
58	Data Communication Business Group	🇹🇼	2	844	0.1%
59	Skynet Network Ltd	🇮🇷	1	842	0.1%
60	China Unicom Beijing Province Network	🇨🇳	3	828	0.1%
61	AS-VULTR	🇺🇸	5	805	0.1%
62	Inside Network LTD	🇩🇪	1	801	0.1%
63	Converge ICT Solutions Inc.	🇵🇭	1	787	0.1%
64	IONOS SE	🇬🇧	2	772	0.1%
65	TIM	🇮🇹	1	753	0.1%
66	CV Atha Media Prima	🇮🇩	2	671	0.1%
67	Tamatiya EOOD	🇧🇬	2	642	0.1%
68	PUBLIC-DOMAIN-REGISTRY	🇮🇳	2	639	0.1%
69	Amarutu Technology Ltd	🇳🇱	3	636	0.1%
70	TEKSAVVY	🇨🇦	1	623	0.1%
71	CENSYS-ARIN-02	🇺🇸	15	602	0.1%
72	Railnet LLC	🇺🇸	7	574	0.1%
73	Telekom Austria	🇦🇹	1	574	0.1%
74	PT Amanusa Telemedia Mahardika	🇮🇩	1	569	0.1%
75	COLOMBIA TELECOMUNICACIONES S.A. ESP BIC	🇨🇴	2	563	0.1%
76	Shenzhen Tencent Computer Systems Company Limited	🇨🇳	2	558	0.1%
77	Mazeda Networks Limited	🇧🇩	1	551	0.1%
78	National Internet Backbone	🇮🇳	2	549	0.1%
79	JSC Selectel	🇷🇺	2	547	0.1%
80	Gamma Telecom Holdings Ltd	🇬🇧	1	546	0.1%
81	ROMARG SRL	🇷🇴	2	546	0.1%
82	Viet Storage Technology Joint Stock Company	🇻🇳	1	530	0.1%
83	TOT Public Company Limited	🇹🇭	1	525	0.1%
84	TM TECHNOLOGY SERVICES SDN. BHD.	🇲🇾	2	520	0.1%
85	PT Gayatri Lintas Nusantara	🇮🇩	1	500	0.1%
86	Ethiopian Telecommunication Corporation	🇪🇹	2	497	0.1%
87	ORACLE-BMC-31898	🇦🇺	2	496	0.1%
88	MAINONE	🇳🇬	1	492	0.1%
89	Ztv Corp LLC	🇷🇺	1	482	0.1%
90	SAIX-NET	🇿🇦	1	481	0.1%
91	AS28330	🇧🇷	1	479	0.1%
92	ALGAR TELECOM SA	🇧🇷	2	479	0.1%
93	Optibounce, LLC	🇳🇱	1	472	0.1%
94	ROUTERHOSTING	🇺🇸	1	464	0.1%
95	Cloudie Limited	🇬🇧	2	460	0.1%
96	Tencent Building, Kejizhongyi Avenue	🇭🇰	2	457	0.1%
97	Beijing Baidu Netcom Science and Technology Co., Ltd.	🇨🇳	3	441	0.1%
98	RED PARAGUAYA DE TELECOMUNICACIONES SA	🇵🇾	1	425	0.1%
99	Amir Hosein Maaref	🇮🇷	1	421	0.1%
100	Kyonix Networks Limited	🇩🇪	1	420	0.1%

100

ISPs/ASNs

826

Unique IPs

647,376

Total Attacks

What is an ASN?

An ASN (Autonomous System Number) is a unique identifier assigned to Internet networks. Each ISP and organization with Internet presence has one or more ASNs. Some ASNs have higher concentration of malicious activity due to lax abuse policies.