detection period: 2021-03-07 00:00-23:59 UTC
total number of suspected botnet IPs: 32285
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 29850
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 | 1978 |
| 2 | TENCENT-CN | 834 |
| 3 | DIGITALOCEAN-192-241-128-0 | 634 |
| 4 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 589 |
| 5 | ALISOFT | 510 |
| 6 | HINET-NET | 424 |
| 7 | CMNET | 420 |
| 8 | VNPT-VN | 413 |
| 9 | VIETTEL-VN | 411 |
| 10 | CHINANET-GD | 362 |
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 | 8920 |
| 2 | United States | 4548 |
| 3 | Russian Federation | 1621 |
| 4 | India | 1512 |
| 5 | Brazil | 1264 |
| 6 | Viet Nam | 1230 |
| 7 | Indonesia | 770 |
| 8 | France | 661 |
| 9 | European Union | 621 |
| 10 | Taiwan | 557 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 290470 |
| 2 | 1120 | 211389 |
| 3 | 1123 | 210271 |
| 4 | 1110 | 153936 |
| 5 | 1433 | 139367 |
| 6 | 1121 | 136181 |
| 7 | 1000 | 132472 |
| 8 | 222 | 119563 |
| 9 | 1124 | 87338 |
| 10 | 27055 | 71870 |
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