Port 12443
HoneyLabs honeypots recorded 1,063 probes against destination port 12443 from 199 distinct source IP addresses in the last 7 days.
First observed 2026-11-08 09:34, most recently 2026-11-15 05:30 (UTC).
What the sensors show
The sources sat in 25 networks across 13 countries. No single address sent more than 19% of them. The largest source network was AS211486 (Alferov Aleksey Aleksandrovich), with 32% of the probes from 2 addresses. 17 of the 25 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 77.91.71.23 | 204 | Alferov Aleksey Aleksandrovich | RU |
| 77.91.71.92 | 136 | Alferov Aleksey Aleksandrovich | RU |
| 138.226.239.90 | 102 | HOSTRAM | GB |
| 138.226.239.91 | 102 | HOSTRAM | GB |
| 199.165.159.153 | 24 | The Shadowserver Foundation, Inc. | US |
| 185.136.15.111 | 17 | AO ALMAZ | KZ |
| 199.165.159.105 | 17 | The Shadowserver Foundation, Inc. | US |
| 184.105.139.70 | 14 | Hurricane Electric LLC | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS211486 | Alferov Aleksey Aleksandrovich | 340 | 2 |
| AS22168 | The Shadowserver Foundation, Inc. | 208 | 64 |
| AS403092 | HOSTRAM | 204 | 2 |
| AS6939 | Hurricane Electric LLC | 131 | 54 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 31 | 7 |
| AS212835 | Shesternin Vladimir Anatolievich | 22 | 4 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 393 |
| Russia | 367 |
| United Kingdom | 210 |
| Hong Kong | 23 |
| Kazakhstan | 17 |
| Singapore | 16 |
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 | 48 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 | 43 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 16 |
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4 240.111 Safari/537.36 | 15 |
Port report
Port report
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