Port 25 (SMTP)
HoneyLabs honeypots recorded 437 probes against destination port 25 (SMTP) from 182 distinct source IP addresses in the last 7 days.
First observed 2026-08-08 22:07:04, most recently 2026-08-15 17:28:41 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 3.129.187.38 | 34 | Amazon.com, Inc. | US |
| 18.218.118.203 | 27 | Amazon.com, Inc. | US |
| 3.130.168.2 | 23 | Amazon.com, Inc. | US |
| 213.176.26.134 | 9 | KOI CLOUD SERVICES (Pty) Ltd | IR |
| 3.131.220.121 | 8 | Amazon.com, Inc. | US |
| 152.32.146.202 | 8 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | JP |
| 165.154.11.172 | 8 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | NG |
| 152.32.131.245 | 8 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS16509 | Amazon.com, Inc. | 102 | 6 |
| AS396982 | Google LLC | 80 | 43 |
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 48 | 8 |
| AS6939 | Hurricane Electric LLC | 25 | 17 |
| AS8075 | Microsoft Corporation | 23 | 23 |
| AS41608 | NextGenWebs, S.L. | 18 | 3 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 215 |
| Belgium | 78 |
| Hong Kong | 25 |
| The Netherlands | 21 |
| Spain | 18 |
| China | 17 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| visionheight.com/scan Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) Chrome/126.0.0.0 Safari/537.36 | 73 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 | 26 |
| fasthttp | 10 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36 | 8 |
| 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 | 8 |
Port report
Port report
Loading live data…