detection period: 2025-05-28 00:00-23:59 UTC
total number of suspected botnet IPs: 24204
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 22433
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 | MSFT | 1553 |
| 2 | AL-3 | 1435 |
| 3 | BSNLNET | 1219 |
| 4 | GOOGLE-CLOUD | 1011 |
| 5 | ASEPL-SG | 972 |
| 6 | PAN-22 | 958 |
| 7 | KORNET-KR | 643 |
| 8 | ALISOFT | 516 |
| 9 | HURRICANE-4 | 436 |
| 10 | VOLCANO-ENGINE | 420 |
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 | 8108 |
| 2 | China | 5296 |
| 3 | India | 2106 |
| 4 | Singapore | 1103 |
| 5 | South Korea | 850 |
| 6 | Netherlands | 519 |
| 7 | Hong Kong | 507 |
| 8 | United Kingdom | 425 |
| 9 | Germany | 366 |
| 10 | Russian Federation | 351 |
| Rank | TCP port number | # of connection attempts received |
|---|---|---|
| 1 | 3822 | 62271 |
| 2 | 23 | 28107 |
| 3 | 22 | 24334 |
| 4 | 5900 | 22836 |
| 5 | 4322 | 16483 |
| 6 | 445 | 15898 |
| 7 | 8822 | 15110 |
| 8 | 2246 | 13981 |
| 9 | 8007 | 13827 |
| 10 | 7777 | 13486 |
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