detection period: 2021-02-09 00:00-23:59 UTC
total number of suspected botnet IPs: 42088
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 38920
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 | 1990 |
| 2 | KORNET | 939 |
| 3 | HINET-NET | 861 |
| 4 | TENCENT-CN | 808 |
| 5 | DIGITALOCEAN-192-241-128-0 | 646 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 590 |
| 7 | VNPT-VN | 535 |
| 8 | VE-CSVE-LACNIC | 526 |
| 9 | ALISOFT | 517 |
| 10 | VIETTEL-VN | 483 |
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 | 8701 |
| 2 | United States | 5226 |
| 3 | India | 2776 |
| 4 | Russian Federation | 2268 |
| 5 | Brazil | 2031 |
| 6 | Viet Nam | 1445 |
| 7 | South Korea | 1343 |
| 8 | Indonesia | 1258 |
| 9 | Taiwan | 1192 |
| 10 | Hong Kong | 1112 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 308925 |
| 2 | 222 | 190577 |
| 3 | 22 | 115010 |
| 4 | 23 | 36502 |
| 5 | 1433 | 35221 |
| 6 | 123 | 31735 |
| 7 | 1212 | 30484 |
| 8 | 200 | 23155 |
| 9 | 587 | 18821 |
| 10 | 3389 | 18479 |
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