Port 4091
HoneyLabs honeypots recorded 45 probes against destination port 4091 from 34 distinct source IP addresses in the last 7 days.
First observed 2026-08-08 10:05:17, most recently 2026-08-15 04:34:36 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 152.32.189.121 | 6 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 118.193.33.130 | 4 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 35.203.210.96 | 3 | Google LLC | GB |
| 147.185.132.194 | 2 | Google LLC | US |
| 91.230.168.208 | 1 | ONYPHE SAS | US |
| 162.216.150.176 | 1 | Google LLC | US |
| 162.216.150.180 | 1 | Google LLC | US |
| 162.216.150.186 | 1 | Google LLC | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS396982 | Google LLC | 22 | 19 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 10 | 2 |
| AS213412 | ONYPHE SAS | 8 | 8 |
| AS209334 | Modat B.V. | 4 | 4 |
| AS152586 | Kuroit | 1 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 22 |
| Hong Kong | 10 |
| United Kingdom | 9 |
| Canada | 4 |
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 | 22 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 8 |
| Go-http-client/1.1 | 3 |
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/596.42 (KHTML, like Gecko) Chrome/107.0.937 Safari/537.36 | 1 |
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