Port 520
HoneyLabs honeypots recorded 48 probes against destination port 520 from 34 distinct source IP addresses in the last 7 days.
First observed 2026-10-19 09:57:39.707000, most recently 2026-10-26 01:59:42.200000 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 167.94.146.58 | 8 | Censys, Inc. | US |
| 104.152.52.225 | 4 | Rethem Hosting LLC | US |
| 104.152.52.215 | 3 | Rethem Hosting LLC | US |
| 87.251.64.121 | 2 | Shesternin Vladimir Anatolievich | RU |
| 104.152.52.139 | 2 | Rethem Hosting LLC | US |
| 20.168.11.148 | 1 | Microsoft Corporation | US |
| 20.12.243.131 | 1 | Microsoft Corporation | US |
| 52.180.154.81 | 1 | Microsoft Corporation | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS8075 | Microsoft Corporation | 16 | 16 |
| AS14987 | Rethem Hosting LLC | 12 | 6 |
| AS398705 | Censys, Inc. | 8 | 1 |
| AS213412 | ONYPHE SAS | 6 | 6 |
| AS396982 | Google LLC | 3 | 3 |
| AS212835 | Shesternin Vladimir Anatolievich | 2 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 39 |
| France | 6 |
| Russia | 2 |
| Canada | 1 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/) | 6 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 6 |
| 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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 | 2 |
| curl/7.61.1 | 1 |
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