Port 3903
HoneyLabs honeypots recorded 31 probes against destination port 3903 from 18 distinct source IP addresses in the last 7 days.
First observed 2026-09-18 05:24:28, most recently 2026-09-24 12:07:47 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 66.132.195.76 | 8 | Censys, Inc. | US |
| 217.60.78.89 | 6 | Throttle Limited | AE |
| 35.203.211.27 | 2 | Google LLC | GB |
| 147.185.133.75 | 1 | Google LLC | US |
| 195.184.76.0 | 1 | ONYPHE SAS | US |
| 35.203.210.105 | 1 | Google LLC | GB |
| 35.203.211.124 | 1 | Google LLC | GB |
| 147.185.132.125 | 1 | Google LLC | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS396982 | Google LLC | 11 | 10 |
| AS398324 | Censys, Inc. | 8 | 1 |
| AS198189 | Throttle Limited | 6 | 1 |
| AS209334 | Modat B.V. | 2 | 2 |
| AS213412 | ONYPHE SAS | 2 | 2 |
| AS19318 | Interserver, Inc | 1 | 1 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 14 |
| United Kingdom | 8 |
| United Arab Emirates | 6 |
| Canada | 2 |
| Eritrea | 1 |
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 | 11 |
| 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 | 2 |
| curl/7.61.1 | 1 |
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