detection period: 2021-01-29 00:00-23:59 UTC
total number of suspected botnet IPs: 41406
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38372
number of spam blocked: 0
recipient count of spam blocked: 0
The top 10 networks (as found in WHOIS), ordered by the number of suspected botnet IPs are:
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | TencentCloud | 1805 |
| 2 | VNPT-VN | 1003 |
| 3 | HINET-NET | 828 |
| 4 | VIETTEL-VN | 795 |
| 5 | TENCENT-CN | 753 |
| 6 | KORNET | 686 |
| 7 | DIGITALOCEAN-192-241-128-0 | 675 |
| 8 | VE-CSVE-LACNIC | 518 |
| 9 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 514 |
| 10 | ALISOFT | 514 |
The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|---|---|
| 1 | China | 8454 |
| 2 | United States | 4877 |
| 3 | India | 2755 |
| 4 | Russian Federation | 2459 |
| 5 | Viet Nam | 2449 |
| 6 | Brazil | 1976 |
| 7 | Indonesia | 1214 |
| 8 | Taiwan | 1177 |
| 9 | South Korea | 1131 |
| 10 | Hong Kong | 1083 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 272810 |
| 2 | 22 | 75175 |
| 3 | 1112 | 65578 |
| 4 | 1433 | 36908 |
| 5 | 3389 | 33219 |
| 6 | 23 | 31390 |
| 7 | 35 | 28225 |
| 8 | 1111 | 22457 |
| 9 | 66 | 17456 |
| 10 | 5900 | 14517 |
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