Port 25 (SMTP)
HoneyLabs honeypots recorded 398 probes against destination port 25 (SMTP) from 185 distinct source IP addresses in the last 7 days.
First observed 2026-09-23 16:16:56, most recently 2026-09-30 13:31:17 (UTC).
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 18.218.118.203 | 18 | Amazon.com, Inc. | US |
| 134.168.246.57 | 16 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | HK |
| 18.116.101.220 | 16 | Amazon.com, Inc. | US |
| 89.248.172.33 | 10 | IP Volume inc | NL |
| 45.91.64.6 | 9 | JSC F6 | RU |
| 152.32.150.5 | 8 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | US |
| 93.174.93.12 | 8 | IP Volume inc | NL |
| 203.123.81.109 | 8 | HUAWEI CLOUDS | ZA |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS135377 | UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED | 82 | 13 |
| AS396982 | Google LLC | 53 | 30 |
| AS16509 | Amazon.com, Inc. | 52 | 5 |
| AS8075 | Microsoft Corporation | 43 | 42 |
| AS6939 | Hurricane Electric LLC | 30 | 24 |
| AS202425 | IP Volume inc | 25 | 4 |
Where it comes from
| Country | Probes |
|---|---|
| United States | 192 |
| Belgium | 49 |
| Hong Kong | 33 |
| The Netherlands | 26 |
| China | 14 |
| Russia | 14 |
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 | 38 |
| 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 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36 | 15 |
| fasthttp | 15 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.77 Safari/537.36 | 12 |
Port report
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