Port 19999
HoneyLabs honeypots recorded 237 probes against destination port 19999 from 61 distinct source IP addresses in the last 7 days.
First observed 2026-09-14 10:11:16, most recently 2026-09-21 04:17:21 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 216.180.246.21 | 16 | Google LLC | US |
| 128.14.226.125 | 11 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | US |
| 167.94.146.62 | 9 | Censys, Inc. | US |
| 66.132.186.184 | 9 | Censys, Inc. | US |
| 199.45.154.120 | 9 | Censys, Inc. | US |
| 66.132.186.206 | 9 | Censys, Inc. | US |
| 66.132.186.179 | 9 | Censys, Inc. | US |
| 152.32.205.184 | 9 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | US |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS398324 | Censys, Inc. | 75 | 9 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 38 | 4 |
| AS398705 | Censys, Inc. | 36 | 4 |
| AS396982 | Google LLC | 28 | 13 |
| AS398722 | Censys, Inc. | 20 | 3 |
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 8 | 4 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 174 |
| The Netherlands | 11 |
| Indonesia | 9 |
| Hong Kong | 9 |
| France | 8 |
| Singapore | 7 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/) | 82 |
| 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 | 16 |
| Mozilla/5.0 (compatible; GenomeCrawlerd/1.0; +https://www.nokia.com/genomecrawler) | 16 |
| Hello from Palo Alto Networks, find out more about our scans in https://docs-cortex.paloaltonetworks.com/r/1/Cortex-Xpanse/Scanning-activity | 12 |
| Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.0 | 8 |
Port report
Port report
Loading live data…