Port 3521
HoneyLabs honeypots recorded 59 probes against destination port 3521 from 22 distinct source IP addresses in the last 7 days.
First observed 2026-08-14 07:08:45, most recently 2026-08-20 10:05:20 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 89.248.172.13 | 18 | IP Volume inc | NL |
| 66.132.186.171 | 8 | Censys, Inc. | US |
| 36.156.22.2 | 7 | China Mobile communications corporation | CN |
| 104.152.52.200 | 4 | Rethem Hosting LLC | US |
| 82.139.195.138 | 3 | GSL Networks Pty LTD | DZ |
| 5.61.209.224 | 2 | Amarutu Technology Ltd | SC |
| 104.152.52.208 | 2 | Rethem Hosting LLC | US |
| 91.196.152.156 | 1 | ONYPHE SAS | FR |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS202425 | IP Volume inc | 18 | 1 |
| AS14987 | Rethem Hosting LLC | 13 | 9 |
| AS398324 | Censys, Inc. | 8 | 1 |
| AS213412 | ONYPHE SAS | 8 | 8 |
| AS56046 | China Mobile communications corporation | 7 | 1 |
| AS137409 | GSL Networks Pty LTD | 3 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 21 |
| The Netherlands | 18 |
| France | 8 |
| China | 7 |
| Algeria | 3 |
| Seychelles | 2 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 8 |
| Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/) | 6 |
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4 240.111 Safari/537.36 | 5 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.0 | 2 |
| curl/7.61.1 | 1 |
Port report
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