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Monday, April 19, 2021

Botnet Statistics [2021-04-18]

(To download the latest zombie ip list, please visit the Daily Zombie IP Lists for April 2021. To get an idea of what IP is scanning the Internet currently, please watch: Daily Botnet Detection Live Streaming.)
detection period: 2021-04-18 00:00-23:59 UTC
total number of suspected botnet IPs: 29722
number of botnet IPs notified to network operators (best case, if all mail were sent out successfully): 27336
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:

RankNetwork# of suspected botnet IPs
1TencentCloud2256
2TENCENT-CN895
3DIGITALOCEAN-192-241-128-0678
4NON-RIPE-NCC-MANAGED-ADDRESS-BLOCK672
5ALISOFT669
6Baidu391
7HINET-NET386
8CMNET336
9VIETTEL-VN303
10CHINANET-SD300


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

RankCountry/Region# of suspected botnet IPs
1China8739
2United States4788
3Russian Federation1518
4India1365
5Brazil1203
6Viet Nam923
7Indonesia711
8European Union690
9South Korea564
10Taiwan495

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

RankTCP port number# of connection attempts received
1445329773
26004185006
3600374843
4111271149
51111170933
62263792
720255476
865044968
9111143846
10143343189

20210419 Botnet Detection Live Streaming (1000+ zombies detected)

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