Port 12121
HoneyLabs honeypots recorded 60 probes against destination port 12121 from 25 distinct source IP addresses in the last 7 days.
First observed 2026-11-09 06:12, most recently 2026-11-15 15:02 (UTC).
What the sensors show
The sources sat in 12 networks across 9 countries. No single address sent more than 20% of them. The largest source network was AS135377 (UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED), with 42% of the probes from 3 addresses. 8 of the 25 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 150.107.36.236 | 12 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 152.32.185.141 | 7 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 150.107.38.251 | 6 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 148.153.188.246 | 6 | CDS Global Cloud Co., Ltd | US |
| 213.177.179.195 | 5 | Feo Prest SRL | IR |
| 87.251.64.127 | 2 | Shesternin Vladimir Anatolievich | RU |
| 204.76.203.214 | 2 | Pfcloud UG (haftungsbeschrankt) | NL |
| 109.236.48.223 | 2 | CAFER ESER | TR |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 25 | 3 |
| AS213412 | ONYPHE SAS | 8 | 8 |
| AS63199 | CDS Global Cloud Co., Ltd | 6 | 1 |
| AS208137 | Feo Prest SRL | 5 | 1 |
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 4 | 3 |
| AS396982 | Google LLC | 3 | 3 |
Where it comes from
| Country | Probes |
|---|---|
| Hong Kong | 25 |
| France | 8 |
| United States | 8 |
| The Netherlands | 5 |
| Iran | 5 |
| China | 4 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4 240.111 Safari/537.36 | 20 |
| 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 Edg/120.0.0.0 | 4 |
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 3 |
| 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 | 2 |
Port report
Port report
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