detection period: 2021-03-05 00:00-23:59 UTC
total number of suspected botnet IPs: 35377
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 32699
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 | 1872 |
| 2 | VNPT-VN | 876 |
| 3 | VIETTEL-VN | 775 |
| 4 | TENCENT-CN | 775 |
| 5 | DIGITALOCEAN-192-241-128-0 | 666 |
| 6 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 554 |
| 7 | ALISOFT | 541 |
| 8 | HINET-NET | 468 |
| 9 | VE-CSVE-LACNIC | 437 |
| 10 | CMNET | 421 |
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 | 8453 |
| 2 | United States | 4110 |
| 3 | India | 2530 |
| 4 | Viet Nam | 2241 |
| 5 | Russian Federation | 1926 |
| 6 | Brazil | 1581 |
| 7 | Indonesia | 1112 |
| 8 | Thailand | 704 |
| 9 | France | 626 |
| 10 | Taiwan | 613 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 349233 |
| 2 | 3350 | 250320 |
| 3 | 1001 | 230663 |
| 4 | 32 | 213387 |
| 5 | 102 | 187540 |
| 6 | 62 | 136324 |
| 7 | 82 | 136217 |
| 8 | 922 | 136167 |
| 9 | 422 | 136081 |
| 10 | 72 | 136014 |