Port 3557
HoneyLabs honeypots recorded 34 probes against destination port 3557 from 23 distinct source IP addresses in the last 7 days.
First observed 2026-11-08 09:54, most recently 2026-11-14 21:18 (UTC).
What the sensors show
The sources sat in 5 networks across 5 countries. No single address sent more than 18% of them. The largest source network was AS174 (Cogent Communications, LLC), with 35% of the probes from 2 addresses. 9 of the 23 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 207.90.244.18 | 6 | Cogent Communications, LLC | US |
| 207.90.244.19 | 6 | Cogent Communications, LLC | US |
| 86.54.31.36 | 2 | Black HOST Ltd | CA |
| 147.185.133.191 | 1 | Google LLC | US |
| 91.230.168.13 | 1 | ONYPHE SAS | US |
| 147.185.132.149 | 1 | Google LLC | US |
| 147.185.133.22 | 1 | Google LLC | US |
| 195.184.76.72 | 1 | ONYPHE SAS | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS174 | Cogent Communications, LLC | 12 | 2 |
| AS396982 | Google LLC | 11 | 11 |
| AS213412 | ONYPHE SAS | 8 | 8 |
| AS12989 | Black HOST Ltd | 2 | 1 |
| AS48090 | Techoff Srv Limited | 1 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 25 |
| Belgium | 4 |
| United Kingdom | 2 |
| Canada | 2 |
| Bulgaria | 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 | 8 |
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 7 |
| Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36 | 7 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/102.0.5005.63 Safari/537.36 | 7 |
| python-requests/2.34.2 | 4 |
Port report
Port report
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