Port 1551
HoneyLabs honeypots recorded 42 probes against destination port 1551 from 15 distinct source IP addresses in the last 7 days.
First observed 2026-11-08 19:04, most recently 2026-11-14 11:15 (UTC).
What the sensors show
The sources sat in 6 networks across 6 countries. One address, 176.120.22.61, sent 26% of them. The largest source network was AS51396 (Pfcloud UG (haftungsbeschrankt)), with 48% of the probes from 7 addresses. 2 of the 15 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 176.120.22.61 | 11 | Proton66 OOO | RU |
| 204.76.203.221 | 5 | Pfcloud UG (haftungsbeschrankt) | NL |
| 204.76.203.214 | 4 | Pfcloud UG (haftungsbeschrankt) | NL |
| 204.76.203.44 | 3 | Pfcloud UG (haftungsbeschrankt) | NL |
| 152.32.209.62 | 3 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 204.76.203.43 | 3 | Pfcloud UG (haftungsbeschrankt) | NL |
| 152.32.188.207 | 3 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 204.76.203.53 | 2 | Pfcloud UG (haftungsbeschrankt) | NL |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 20 | 7 |
| AS198953 | Proton66 OOO | 11 | 1 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 6 | 2 |
| AS14987 | Rethem Hosting LLC | 2 | 2 |
| AS197769 | VPS Dedicated LLC | 2 | 2 |
| AS210328 | AO ALMAZ | 1 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| The Netherlands | 20 |
| Russia | 11 |
| Hong Kong | 6 |
| United States | 2 |
| United Arab Emirates | 2 |
| Kazakhstan | 1 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| curl/7.29.0 | 4 |
Port report
Port report
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