Port 3999
HoneyLabs honeypots recorded 27 probes against destination port 3999 from 14 distinct source IP addresses in the last 7 days.
First observed 2026-11-10 02:43, most recently 2026-11-13 00:31 (UTC).
What the sensors show
The sources sat in 7 networks across 5 countries. No single address sent more than 22% of them. The largest source network was AS42397 (Bunea TELECOM SRL), with 22% of the probes from 1 address. 10 of the 14 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 193.29.13.199 | 6 | Bunea TELECOM SRL | RO |
| 80.94.95.223 | 5 | SS-Net | RO |
| 213.177.179.195 | 5 | Feo Prest SRL | IR |
| 91.230.168.231 | 1 | ONYPHE SAS | US |
| 195.184.76.31 | 1 | ONYPHE SAS | US |
| 194.187.176.82 | 1 | Alpha Strike Labs GmbH | DE |
| 91.230.168.21 | 1 | ONYPHE SAS | US |
| 195.184.76.185 | 1 | ONYPHE SAS | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS42397 | Bunea TELECOM SRL | 6 | 1 |
| AS213412 | ONYPHE SAS | 6 | 6 |
| AS208137 | Feo Prest SRL | 5 | 1 |
| AS204428 | SS-Net | 5 | 1 |
| AS42969 | Alpha Strike Labs GmbH | 3 | 3 |
| AS208843 | Alpha Strike Labs GmbH | 1 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| Romania | 11 |
| United States | 9 |
| Iran | 5 |
| Germany | 1 |
| The Netherlands | 1 |
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 | 6 |
Port report
Port report
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