Port 557
HoneyLabs honeypots recorded 68 probes against destination port 557 from 51 distinct source IP addresses in the last 7 days.
First observed 2026-08-26 14:25:38, most recently 2026-09-02 07:44:23 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 104.152.52.212 | 4 | Rethem Hosting LLC | US |
| 45.194.70.249 | 4 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | SC |
| 104.152.52.210 | 4 | Rethem Hosting LLC | US |
| 193.107.20.41 | 3 | Clouvider Limited | LI |
| 104.152.52.213 | 2 | Rethem Hosting LLC | US |
| 104.152.52.211 | 2 | Rethem Hosting LLC | US |
| 104.152.52.206 | 2 | Rethem Hosting LLC | US |
| 35.203.211.203 | 2 | Google LLC | GB |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS14987 | Rethem Hosting LLC | 19 | 10 |
| AS396982 | Google LLC | 18 | 16 |
| AS213412 | ONYPHE SAS | 8 | 8 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 6 | 2 |
| AS4766 | Korea Telecom | 5 | 5 |
| AS62240 | Clouvider Limited | 3 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 40 |
| United Kingdom | 8 |
| South Korea | 6 |
| Seychelles | 4 |
| Liechtenstein | 3 |
| Canada | 3 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 18 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 8 |
| Go-http-client/1.1 | 3 |
| Mozilla/5.0 zgrab/0.x | 3 |
| Microsoft WinRM Client | 2 |
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