Port 57121
HoneyLabs honeypots recorded 19 probes against destination port 57121 from 12 distinct source IP addresses in the last 7 days.
First observed 2026-11-10 04:14, most recently 2026-11-14 21:11 (UTC).
What the sensors show
The sources sat in 2 networks across 2 countries. One address, 66.132.172.138, sent 42% of them. The largest source network was AS396982 (Google LLC), with 58% of the probes from 11 addresses. 1 of the 12 busiest addresses is a recognised research scanner.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 66.132.172.138 | 8 | Censys, Inc. | US |
| 162.216.150.238 | 1 | Google LLC | US |
| 162.216.149.240 | 1 | Google LLC | US |
| 162.216.149.8 | 1 | Google LLC | US |
| 35.203.210.92 | 1 | Google LLC | GB |
| 162.216.149.105 | 1 | Google LLC | US |
| 162.216.149.75 | 1 | Google LLC | US |
| 35.203.210.152 | 1 | Google LLC | GB |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS396982 | Google LLC | 11 | 11 |
| AS398324 | Censys, Inc. | 8 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 16 |
| United Kingdom | 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 | 11 |
| Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/) | 6 |
Port report
Port report
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