Daily Botnet Statistics

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for May 2026.
detection period: 2026-05-01 00:00-23:59 UTC
total number of suspected botnet IPs: 22256
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 20879
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	1519
2	MSFT	1453
3	GOOGLE-CLOUD	1042
4	INFRAWATCH	1004
5	PAN-22	952
6	ASEPL-SG	516
7	FR-ONYPHE-20191111	448
8	CENSY	382
9	cloud	316
10	VOLCANO-ENGINE	312

The top 10 countries (as defined by the 2-character country code), ordered by the number of suspected botnet IPs are:

The top 10 TCP ports, ordered by the number of connection attempts received are:

Rank	Country/Region	# of suspected botnet IPs
1	United States	9335
2	China	3328
3	United Kingdom	914
4	Singapore	876
5	Netherlands	644
6	Germany	630
7	France	620
8	India	535
9	Brazil	500
10	Indonesia	365

Daily Zombie Lists for May 2026（2026年05月，每日殭屍電腦IP清單）

To facilitate security research, I will release the daily zombie IP lists in CSV format here for anyone interested to download. The data columns are defined as follows:

為協助資安方面的研究，我將每日釋出CSV格式的殭屍電腦IP清單，供任何有興趣的人下載。資料欄位定義如下：

Column 1: The date and time in UTC when the last connection attempt (port scans) from the zombie IP (column 2) was detected;

第1欄：該殭屍電腦最後一次被偵測到企圖連線的日期、時間，時區為UTC；

Column 2: Zombie IP;

第2欄：該殭屍電腦的IP位址；

Column 3: TCP destination port number scanned by the zombie.

第3欄：該殭屍電腦所掃描的TCP埠號。

Join the "Suspected Zombie IP List" Telegram channel to get notified when the latest data are ready for download.

想在第一時間取得資料下載網址？請加入Suspected Zombie IP List的Telegram頻道。

Here are the download links of the daily zombie IP lists for May 2026 (without excluding IP addresses of TOR exits and so-called security researchers' nodes.):

以下是2026年05月的每日殭屍電腦IP清單的下載網址(未濾除TOR exit與所謂“資安研究者”的主機IP)：

05/01: download link 下載網址; MD5sum: b5c91d5b9d5abfaad8916d4dca40e513

05/02: download link 下載網址; MD5sum: 3f90f43a49a1237f31d70928f550657b

Friday, May 1, 2026

Botnet Statistics [2026-04-30]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for April 2026.
detection period: 2026-04-30 00:00-23:59 UTC
total number of suspected botnet IPs: 23468
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 22016
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	TCP port number	# of connection attempts received
1	5900	457650
2	23	314304
3	8088	116313
4	8594	71640
5	7777	62648
6	2252	51004
7	2278	49064
8	22	35287
9	2108	29040
10	1122	25791

Rank	Network	# of suspected botnet IPs
1	AL-3	1544
2	MSFT	1517
3	GOOGLE-CLOUD	1050
4	PAN-22	955
5	ASEPL-SG	481
6	FR-ONYPHE-20191111	400
7	CENSY	381
8	INFRAWATCH	332
9	VOLCANO-ENGINE	319
10	cloud	289