Port 50100 (Cassandra)
HoneyLabs honeypots recorded 310 probes against destination port 50100 (Cassandra) from 81 distinct source IP addresses in the last 7 days.
First observed 2026-11-01 17:54, most recently 2026-11-08 08:16 (UTC).
What the sensors show
The sources sat in 18 networks across 14 countries. No single address sent more than 15% of them. The largest source network was AS14061 (DigitalOcean, LLC), with 63% of the probes from 7 addresses. 10 of the 25 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 137.184.211.104 | 46 | DigitalOcean, LLC | US |
| 137.184.30.153 | 46 | DigitalOcean, LLC | US |
| 142.93.8.6 | 46 | DigitalOcean, LLC | US |
| 157.230.15.204 | 46 | DigitalOcean, LLC | US |
| 185.180.141.37 | 7 | Zenlayer Inc | PT |
| 151.243.11.184 | 6 | LLC Vash Kredit Bank | AE |
| 213.177.179.195 | 6 | Feo Prest SRL | IR |
| 185.136.15.153 | 6 | AO ALMAZ | KZ |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS14061 | DigitalOcean, LLC | 194 | 7 |
| AS396982 | Google LLC | 38 | 35 |
| AS21859 | Zenlayer Inc | 12 | 4 |
| AS211680 | Sistemas Informaticos, S.A. | 11 | 5 |
| AS213412 | ONYPHE SAS | 9 | 9 |
| AS210328 | AO ALMAZ | 7 | 2 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 233 |
| Portugal | 23 |
| United Kingdom | 10 |
| Kazakhstan | 7 |
| Singapore | 6 |
| Iran | 6 |
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 | 18 |
| Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko) Chrome/123.0.6312.86 Safari/537.36 | 13 |
| python-httpx/0.28.1 | 10 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 9 |
| Mozilla/5.0 (compatible; FlowIQLabsBot/1.0; +https://flowiq-labs.com/scanning-info) | 6 |
Port report
Port report
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