Port 20121
HoneyLabs honeypots recorded 131 probes against destination port 20121 from 72 distinct source IP addresses in the last 7 days.
First observed 2026-08-08 06:16:22, most recently 2026-08-15 05:06:15 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 220.158.232.153 | 46 | ISP/IXP IN CAMBODIA WITH THE BEST VERVICE IN THERE. | KH |
| 207.90.244.19 | 8 | Cogent Communications, LLC | US |
| 194.180.49.102 | 4 | MEVSPACE sp. z o.o. | BG |
| 193.46.255.152 | 2 | Unmanaged Ltd | RO |
| 147.185.132.70 | 2 | Google LLC | US |
| 204.76.203.224 | 2 | Pfcloud UG (haftungsbeschrankt) | NL |
| 204.76.203.226 | 2 | Pfcloud UG (haftungsbeschrankt) | NL |
| 91.230.168.94 | 1 | ONYPHE SAS | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS396982 | Google LLC | 52 | 51 |
| AS38623 | ISP/IXP IN CAMBODIA WITH THE BEST VERVICE IN THERE. | 46 | 1 |
| AS213412 | ONYPHE SAS | 10 | 10 |
| AS174 | Cogent Communications, LLC | 8 | 1 |
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 6 | 4 |
| AS201814 | MEVSPACE sp. z o.o. | 4 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 61 |
| Cambodia | 46 |
| United Kingdom | 6 |
| The Netherlands | 6 |
| Bulgaria | 5 |
| Belgium | 3 |
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 | 49 |
| mailcore/collect | 26 |
| Go-http-client/1.1 | 20 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 10 |
| Mozilla/5.0 (Windows NT 6.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2228.0 Safari/537.36 | 4 |
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