Port 501
HoneyLabs honeypots recorded 273 probes against destination port 501 from 30 distinct source IP addresses in the last 7 days.
First observed 2026-08-30 07:24:27, most recently 2026-09-06 00:22:23 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 199.45.155.28 | 22 | Censys, Inc. | US |
| 66.132.195.92 | 20 | Censys, Inc. | US |
| 167.94.146.54 | 11 | Censys, Inc. | US |
| 66.132.172.209 | 11 | Censys, Inc. | US |
| 66.132.186.200 | 11 | Censys, Inc. | US |
| 66.132.172.214 | 11 | Censys, Inc. | US |
| 167.94.146.62 | 11 | Censys, Inc. | US |
| 66.132.195.87 | 11 | Censys, Inc. | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS398324 | Censys, Inc. | 145 | 13 |
| AS398722 | Censys, Inc. | 64 | 5 |
| AS398705 | Censys, Inc. | 55 | 5 |
| AS14987 | Rethem Hosting LLC | 3 | 2 |
| AS213438 | ColocaTel Inc. | 2 | 1 |
| AS14061 | DigitalOcean, LLC | 2 | 2 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 270 |
| Germany | 2 |
| Bulgaria | 1 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/) | 139 |
| Microsoft WinRM Client | 2 |
| Mozilla/5.0 zgrab/0.x | 2 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 13_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36 | 1 |
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