Port 2101
HoneyLabs honeypots recorded 117 probes against destination port 2101 from 82 distinct source IP addresses in the last 7 days.
First observed 2026-11-08 20:15, most recently 2026-11-15 14:40 (UTC).
What the sensors show
The sources sat in 8 networks across 5 countries. No single address sent more than 6% of them. The largest source network was AS22168 (The Shadowserver Foundation, Inc.), with 25% of the probes from 19 addresses. 15 of the 25 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 118.193.72.187 | 7 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | PH |
| 199.165.159.33 | 4 | The Shadowserver Foundation, Inc. | US |
| 204.76.203.221 | 4 | Pfcloud UG (haftungsbeschrankt) | NL |
| 199.165.159.97 | 4 | The Shadowserver Foundation, Inc. | US |
| 65.49.20.68 | 3 | Hurricane Electric LLC | US |
| 204.76.203.213 | 3 | Pfcloud UG (haftungsbeschrankt) | NL |
| 184.105.247.196 | 3 | Hurricane Electric LLC | US |
| 65.49.20.66 | 3 | Hurricane Electric LLC | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS22168 | The Shadowserver Foundation, Inc. | 29 | 19 |
| AS396982 | Google LLC | 28 | 25 |
| AS6939 | Hurricane Electric LLC | 26 | 17 |
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 15 | 8 |
| AS213412 | ONYPHE SAS | 10 | 10 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 7 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 91 |
| The Netherlands | 16 |
| Philippines | 7 |
| United Kingdom | 2 |
| Kazakhstan | 1 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| NTRIP | 28 |
| curl/7.68.0 | 25 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 10 |
| Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36 Edg/120.0.0.0 | 4 |
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 3 |
Port report
Port report
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