detection period: 2020-03-31 00:00-23:59 UTC
total number of suspected botnet IPs: 32988
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 31377
number of spam blocked: 0
recipient count of spam blocked: 0
The top 10 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:
| Rank | Network | # of suspected botnet IPs |
|---|
| 1 | TencentCloud | 1041 |
| 2 | VNPT-VN | 998 |
| 3 | Baidu | 862 |
| 4 | VIETTEL-VN | 752 |
| 5 | HINET-NET | 651 |
| 6 | TENCENT-CN | 647 |
| 7 | DIGITALOCEAN-7 | 462 |
| 8 | TELKOMNET | 438 |
| 9 | CHINANET-JS | 407 |
| 10 | DO-13 | 349 |
The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:
| Rank | Country/Region | # of suspected botnet IPs |
|---|
| 1 | China | 9702 |
| 2 | United States | 3276 |
| 3 | Viet Nam | 2329 |
| 4 | Russian Federation | 1762 |
| 5 | Indonesia | 1184 |
| 6 | India | 1038 |
| 7 | France | 908 |
| 8 | Taiwan | 825 |
| 9 | Thailand | 723 |
| 10 | South Korea | 542 |
The top 10 TCP ports, ordered by number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|
| 1 | 7070 | 283280 |
| 2 | 1030 | 187823 |
| 3 | 1024 | 187198 |
| 4 | 2048 | 151541 |
| 5 | 5000 | 146396 |
| 6 | 5038 | 102932 |
| 7 | 4022 | 88529 |
| 8 | 8000 | 85122 |
| 9 | 4444 | 73953 |
| 10 | 7777 | 70056 |
