Port 19543
HoneyLabs honeypots recorded 572 probes against destination port 19543 from 6 distinct source IP addresses in the last 7 days.
First observed 2026-11-11 19:50, most recently 2026-11-15 05:48 (UTC).
What the sensors show
The sources sat in 4 networks across 4 countries. One address, 77.91.71.23, sent 53% of them. The largest source network was AS211486 (Alferov Aleksey Aleksandrovich), with 80% of the probes from 3 addresses. None of the 6 busiest addresses is a recognised research scanner.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 77.91.71.23 | 306 | Alferov Aleksey Aleksandrovich | RU |
| 77.91.71.25 | 136 | Alferov Aleksey Aleksandrovich | RU |
| 138.226.239.91 | 102 | HOSTRAM | GB |
| 77.91.71.24 | 17 | Alferov Aleksey Aleksandrovich | RU |
| 121.40.47.87 | 10 | Hangzhou Alibaba Advertising Co.,Ltd. | CN |
| 62.164.177.79 | 1 | Data Campus Limited | NL |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS211486 | Alferov Aleksey Aleksandrovich | 459 | 3 |
| AS403092 | HOSTRAM | 102 | 1 |
| AS37963 | Hangzhou Alibaba Advertising Co.,Ltd. | 10 | 1 |
| AS215929 | Data Campus Limited | 1 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| Russia | 459 |
| United Kingdom | 102 |
| China | 10 |
| The Netherlands | 1 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 | 528 |
| Go-http-client/1.1 | 33 |
| Mozilla/5.0 (compatible; Nmap Scripting Engine; https://nmap.org/book/nse.html) | 6 |
Port report
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