Port 311
HoneyLabs honeypots recorded 79 probes against destination port 311 from 43 distinct source IP addresses in the last 7 days.
First observed 2026-09-17 22:21:46, most recently 2026-09-24 10:27:35 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 93.174.95.106 | 7 | IP Volume inc | NL |
| 71.6.158.166 | 7 | CariNet, Inc. | US |
| 185.180.141.37 | 6 | Zenlayer Inc | PT |
| 104.152.52.201 | 3 | Rethem Hosting LLC | US |
| 45.156.129.54 | 3 | Sistemas Informaticos, S.A. | PT |
| 109.105.209.12 | 3 | Zenlayer Inc | PT |
| 104.152.52.207 | 3 | Rethem Hosting LLC | US |
| 45.156.128.71 | 3 | Sistemas Informaticos, S.A. | PT |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS14987 | Rethem Hosting LLC | 24 | 15 |
| AS21859 | Zenlayer Inc | 16 | 8 |
| AS396982 | Google LLC | 9 | 6 |
| AS211680 | Sistemas Informaticos, S.A. | 9 | 5 |
| AS10439 | CariNet, Inc. | 7 | 1 |
| AS202425 | IP Volume inc | 7 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 37 |
| Portugal | 25 |
| The Netherlands | 7 |
| Canada | 4 |
| Belgium | 2 |
| United Kingdom | 2 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.6312.86 Safari/537.36 | 13 |
| python-httpx/0.28.1 | 12 |
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 7 |
| curl/7.61.1 | 4 |
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36 | 2 |
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