Daily Botnet Statistics

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for April 2026.
detection period: 2026-04-01 00:00-23:59 UTC
total number of suspected botnet IPs: 18154
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17161
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	1360
2	AL-3	1341
3	GOOGLE-CLOUD	1005
4	PAN-22	950
5	ASEPL-SG	658
6	FR-ONYPHE-20191111	448
7	VOLCANO-ENGINE	412
8	CENSY	379
9	cloud	289
10	UCLOUD-HK	262

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	8352
2	China	3612
3	Singapore	1007
4	France	538
5	Hong Kong	376
6	Netherlands	318
7	Indonesia	293
8	Germany	277
9	India	237
10	United Kingdom	235

Daily Zombie Lists for April 2026（2026年04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 April 2026 (without excluding IP addresses of TOR exits and so-called security researchers' nodes.):

以下是2026年04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)：

04/01: download link 下載網址; MD5sum: 9c741e33e224c4aa90559ca99b0bfa5c

Wednesday, April 1, 2026

Botnet Statistics [2026-03-31]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for March 2026.
detection period: 2026-03-31 00:00-23:59 UTC
total number of suspected botnet IPs: 18882
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 17943
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	407272
2	888	311121
3	7777	265530
4	51005	184929
5	8000	168306
6	25	168240
7	2000	156083
8	8015	139461
9	5357	131503
10	2205	92308

Rank	Network	# of suspected botnet IPs
1	AL-3	1433
2	MSFT	1372
3	GOOGLE-CLOUD	1008
4	PAN-22	951
5	ASEPL-SG	936
6	FR-ONYPHE-20191111	400
7	VOLCANO-ENGINE	399
8	CENSY	384
9	cloud	307
10	ALISOFT	305