detection period: 2012-03-30 00:00-23:59 UTC
total number of suspected botnet IPs: 1658
number of botnet IPs notified to network operators: 1411
number of spam blocked: 186147
recipient count of spam blocked: 6456015
The top 10 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:
| Rank | Network | # of suspected botnet IPs |
|---|---|---|
| 1 | UNICOM-GD | 452 |
| 2 | HINET-NET | 395 |
| 3 | CHINANET-GD | 74 |
| 4 | PHN-67-221-46-0-23 | 19 |
| 5 | UNICOM-BJ | 18 |
| 6 | 033.530.486/0001-29 | 17 |
| 7 | 002.558.157/0001-62 | 16 |
| 8 | CHINANET-JS | 15 |
| 9 | 003.420.926/0002-05 | 14 |
| 10 | 000.065.376/0002-65 | 14 |
The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:
| Rank | Country | # of suspected botnet IPs |
|---|---|---|
| 1 | China | 701 |
| 2 | Taiwan | 403 |
| 3 | Brazil | 94 |
| 4 | United States | 89 |
| 5 | Russian Federation | 61 |
| 6 | South Korea | 28 |
| 7 | India | 28 |
| 8 | Indonesia | 23 |
| 9 | France | 21 |
| 10 | Germany | 15 |
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