Port 81
HoneyLabs honeypots recorded 1,176 probes against destination port 81 from 291 distinct source IP addresses in the last 7 days.
First observed 2026-08-09 05:06:46, most recently 2026-08-16 04:33:08 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 5.61.209.44 | 95 | Amarutu Technology Ltd | SC |
| 45.135.193.193 | 51 | Pfcloud UG (haftungsbeschrankt) | DE |
| 45.194.92.40 | 45 | Vpsvault.host Ltd | US |
| 150.107.36.82 | 44 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 195.182.16.23 | 42 | Amarutu Technology Ltd | DE |
| 80.82.77.202 | 41 | IP Volume inc | NL |
| 18.218.118.203 | 37 | Amazon.com, Inc. | US |
| 18.116.101.220 | 34 | Amazon.com, Inc. | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS206264 | Amarutu Technology Ltd | 170 | 4 |
| AS16509 | Amazon.com, Inc. | 123 | 6 |
| AS215925 | Vpsvault.host Ltd | 84 | 8 |
| AS6939 | Hurricane Electric LLC | 82 | 49 |
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 74 | 7 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 74 | 7 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 585 |
| Germany | 128 |
| Seychelles | 128 |
| The Netherlands | 95 |
| Hong Kong | 56 |
| Brazil | 25 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.85 Safari/537.36 Edg/90.0.818.46 | 220 |
| visionheight.com/scan Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/126.0.0.0 Safari/537.36 | 90 |
| Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/) | 77 |
| Python/3.10 aiohttp/3.8.4 | 55 |
| Mozilla/5.0 (compatible; FlowIQLabsBot/1.0; +https://flowiq-labs.com/scanning-info) | 54 |
Port report
Port report
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