Port report
Port 21FTP
7-day honeypot probe activity targeting destination port 21. First seen 2026-07-08, most recent 2026-07-15 10:05.
1,389
Events 7d
182
Source IPs
29
Source ASNs
14
Countries
Top source ASNs
- AS396982Google LLC676
- AS37963Hangzhou Alibaba Advertising Co.,Ltd.530
- AS8075Microsoft Corporation35
- AS135377UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED23
- AS211298Driftnet Ltd19
- AS45102Alibaba (US) Technology Co., Ltd.18
- AS16509Amazon.com, Inc.14
- AS211680Sistemas Informaticos, S.A.12
- AS14061DigitalOcean, LLC10
- AS34665Petersburg Internet Network ltd.9
Top source countries
Top source IPs hitting port 21
- 47.99.46.235530 eventsProbing CN· AS37963 Hangzhou Alibaba Advertising Co.,Ltd.seen Jul 10
- 35.195.29.22730 eventsProbing BEseen Jul 8
- 34.156.58.8220 eventsProbing BEseen Jul 15
- 34.156.54.120 eventsProbing BEseen Jul 12
- 35.189.237.2020 eventsProbing BEseen Jul 14
- 34.79.128.6320 eventsProbing BEseen Jul 15
- 34.14.47.23420 eventsProbing BEseen Jul 12
- 35.233.79.17020 eventsProbing BEseen Jul 13
- 34.38.15.19820 eventsProbing BEseen Jul 9
- 35.233.22.020 eventsProbing BEseen Jul 12
- 34.62.201.19010 eventsProbing BEseen Jul 12
- 35.241.128.1410 eventsProbing BEseen Jul 14
- 34.77.15.3610 eventsProbing BEseen Jul 10
- 35.195.103.19810 eventsProbing BEseen Jul 8
- 104.199.102.20810 eventsProbing BEseen Jul 13
- 34.156.193.11810 eventsProbing BEseen Jul 14
- 34.22.226.6110 eventsProbing BEseen Jul 10
- 34.22.143.1810 eventsProbing BEseen Jul 11
- 34.76.197.25210 eventsProbing BEseen Jul 10
- 34.62.78.8610 eventsProbing BEseen Jul 10
- 34.34.149.1810 eventsProbing BEseen Jul 13
- 34.62.126.21410 eventsProbing BEseen Jul 11
- 35.205.169.13910 eventsProbing BEseen Jul 14
- 34.140.110.4410 eventsProbing BEseen Jul 11
- 34.76.28.24710 eventsProbing BEseen Jul 15
Top user-agents on port 21
- Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.3668
- Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.6312.86 Safari/537.366
- Mozilla/5.0 (compatible; InternetMeasurement/1.0; +https://internet-measurement.com/)5
- fasthttp5
- Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.364
- Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.364
- Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.04
- Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/118.03
- Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.363
- Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.362
JSON: /api/port/21. CSV: /api/port/21?format=csv.