detection period: 2021-06-04 00:00-23:59 UTC
total number of suspected botnet IPs: 28089
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 26022
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 | 1599 |
| 2 | ALISOFT | 913 |
| 3 | VNPT-VN | 530 |
| 4 | TENCENT-CN | 513 |
| 5 | NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK | 485 |
| 6 | HINET-NET | 445 |
| 7 | VIETTEL-VN | 400 |
| 8 | Baidu | 370 |
| 9 | CMNET | 322 |
| 10 | CHINANET-SD | 280 |
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 | 7587 |
| 2 | United States | 3620 |
| 3 | India | 1728 |
| 4 | Russian Federation | 1558 |
| 5 | Viet Nam | 1325 |
| 6 | Brazil | 1302 |
| 7 | Indonesia | 764 |
| 8 | Thailand | 632 |
| 9 | Taiwan | 592 |
| 10 | Mexico | 514 |
The top 10 TCP ports, ordered by the number of connection attempts received are:
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 445 | 224546 |
| 2 | 4857 | 116673 |
| 3 | 5900 | 94324 |
| 4 | 3030 | 92109 |
| 5 | 1338 | 81537 |
| 6 | 2602 | 61802 |
| 7 | 10011 | 61628 |
| 8 | 11741 | 55341 |
| 9 | 22 | 53874 |
| 10 | 3099 | 52578 |