High Risk ISPs - May 2025

The highest risk ISPs based on suspected fraudulent activity on their IP addresses across our network during May 2025:

100
99
98
97
97
97
97
85
75
73
72
70
68
67
64
64
63
63
62
62
62
61
61
60
59
57
57
57
56
56
56
56
56
55
55
55
53
53
53
53
53
53
52
52
52
52
51
51
51
51
50
50
50
49
49
48
48
48
48
48
48
48
48
47
47
47
47
47
46
46
46
46
45
45
45
44
44
44
44
44
44
44
43
43
43
43
43
42
42
41
41
41
41
41
41
41
41
41
41
40

IP Address data partner DB-IP.com:

DB-IP

Proxy data sponsored by IP2Proxy:

IP2Proxy

IMPORTANT: Scamalytics Ltd operate a fraud-detection network with visibility into many millions of internet users per month. We do not have visibility into the entire internet. The statements on this page represent our opinion based on the limited information we have available to us, and specifically only cover web connections made by internet users to websites and applications, not other connections such as server to server connections.