detection period: 2025-05-31 00:00-23:59 UTC
total number of suspected botnet IPs: 24850
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 22820
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 | AL-3 | 1607 |
| 2 | MSFT | 1597 |
| 3 | ASEPL-SG | 1120 |
| 4 | KORNET-KR | 1050 |
| 5 | GOOGLE-CLOUD | 1013 |
| 6 | PAN-22 | 959 |
| 7 | BSNLNET | 922 |
| 8 | HURRICANE-4 | 450 |
| 9 | ALISOFT | 442 |
| 10 | VOLCANO-ENGINE | 441 |
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 | United States | 8334 |
| 2 | China | 4825 |
| 3 | India | 1611 |
| 4 | South Korea | 1328 |
| 5 | Singapore | 1289 |
| 6 | Hong Kong | 549 |
| 7 | Russian Federation | 425 |
| 8 | Indonesia | 417 |
| 9 | Venezuela | 407 |
| 10 | United Kingdom | 372 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 4444 | 91493 |
| 2 | 7777 | 89169 |
| 3 | 2023 | 83731 |
| 4 | 2021 | 79248 |
| 5 | 7722 | 35950 |
| 6 | 2020 | 34802 |
| 7 | 23 | 33334 |
| 8 | 3222 | 32715 |
| 9 | 2025 | 31798 |
| 10 | 4122 | 31796 |
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