Port 3399
HoneyLabs honeypots recorded 321 probes against destination port 3399 from 47 distinct source IP addresses in the last 7 days.
First observed 2026-11-08 14:28, most recently 2026-11-15 11:35 (UTC).
What the sensors show
The sources sat in 19 networks across 9 countries. No single address sent more than 14% of them. The largest source network was AS14061 (DigitalOcean, LLC), with 31% of the probes from 5 addresses. 6 of the 25 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 192.34.59.79 | 46 | DigitalOcean, LLC | US |
| 137.184.77.90 | 46 | DigitalOcean, LLC | US |
| 45.56.108.243 | 46 | Akamai Connected Cloud | US |
| 99.250.117.71 | 33 | Rogers Communications Canada Inc. | CA |
| 176.65.148.153 | 15 | Pfcloud UG (haftungsbeschrankt) | NL |
| 35.203.211.27 | 11 | Google LLC | GB |
| 147.185.132.47 | 11 | Google LLC | US |
| 162.216.150.129 | 11 | Google LLC | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS14061 | DigitalOcean, LLC | 101 | 5 |
| AS396982 | Google LLC | 53 | 7 |
| AS63949 | Akamai Connected Cloud | 47 | 2 |
| AS812 | Rogers Communications Canada Inc. | 33 | 1 |
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 15 | 1 |
| AS211860 | Nerushenko Vyacheslav Nikolaevich | 14 | 4 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 207 |
| Canada | 33 |
| Russia | 25 |
| United Kingdom | 20 |
| The Netherlands | 17 |
| Iran | 8 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 9 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 4 |
| curl/7.61.1 | 1 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 | 1 |
Port report
Port report
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