Port 4100
HoneyLabs honeypots recorded 172 probes against destination port 4100 from 70 distinct source IP addresses in the last 7 days.
First observed 2026-11-08 18:51, most recently 2026-11-15 17:25 (UTC).
What the sensors show
The sources sat in 15 networks across 9 countries. No single address sent more than 14% of them. The largest source network was AS396982 (Google LLC), with 26% of the probes from 42 addresses. 1 of the 25 busiest addresses is a recognised research scanner.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 36.156.22.2 | 24 | China Mobile communications corporation | CN |
| 193.29.13.199 | 18 | Bunea TELECOM SRL | RO |
| 80.94.95.223 | 17 | SS-Net | RO |
| 150.107.36.236 | 12 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 206.189.2.12 | 6 | DigitalOcean, LLC | NL |
| 148.153.56.170 | 6 | CDS Global Cloud Co., Ltd | US |
| 165.154.163.10 | 6 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | US |
| 148.153.188.246 | 6 | CDS Global Cloud Co., Ltd | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS396982 | Google LLC | 45 | 42 |
| AS56046 | China Mobile communications corporation | 24 | 1 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 18 | 2 |
| AS42397 | Bunea TELECOM SRL | 18 | 1 |
| AS204428 | SS-Net | 17 | 1 |
| AS14061 | DigitalOcean, LLC | 12 | 2 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 78 |
| Romania | 37 |
| China | 27 |
| Hong Kong | 12 |
| United Kingdom | 7 |
| The Netherlands | 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 | 45 |
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4 240.111 Safari/537.36 | 45 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 | 10 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 8 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 | 3 |
Port report
Port report
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