Port 4431
HoneyLabs honeypots recorded 237 probes against destination port 4431 from 34 distinct source IP addresses in the last 7 days.
First observed 2026-11-08 08:36, most recently 2026-11-14 14:55 (UTC).
What the sensors show
The sources sat in 12 networks across 8 countries. One address, 77.91.71.25, sent 50% of them. The largest source network was AS211486 (Alferov Aleksey Aleksandrovich), with 57% of the probes from 2 addresses. 10 of the 25 busiest addresses are recognised research scanners.
Most active source addresses
| Source IP | Probes | Network | Country |
|---|---|---|---|
| 77.91.71.25 | 119 | Alferov Aleksey Aleksandrovich | RU |
| 77.91.71.24 | 17 | Alferov Aleksey Aleksandrovich | RU |
| 185.136.15.80 | 17 | AO ALMAZ | KZ |
| 185.136.15.2 | 16 | AO ALMAZ | KZ |
| 193.8.186.31 | 10 | PebbleHost Ltd | SG |
| 66.132.172.215 | 8 | Censys, Inc. | US |
| 66.132.172.185 | 7 | Censys, Inc. | US |
| 204.76.203.221 | 4 | Pfcloud UG (haftungsbeschrankt) | NL |
Networks it comes from
| ASN | Organisation | Probes | Source IPs |
|---|---|---|---|
| AS211486 | Alferov Aleksey Aleksandrovich | 136 | 2 |
| AS210328 | AO ALMAZ | 33 | 2 |
| AS398324 | Censys, Inc. | 18 | 3 |
| AS51396 | Pfcloud UG (haftungsbeschrankt) | 14 | 7 |
| AS201002 | PebbleHost Ltd | 14 | 2 |
| AS213412 | ONYPHE SAS | 8 | 8 |
Where it comes from
| Country | Probes |
|---|---|
| Russia | 140 |
| Kazakhstan | 33 |
| United States | 21 |
| The Netherlands | 16 |
| Singapore | 14 |
| France | 9 |
Client strings seen on this port
| User agent | Probes |
|---|---|
| Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36 | 144 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/140.0.0.0 Safari/537.36 | 18 |
| Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 | 14 |
| Mozilla/5.0 (compatible; CensysInspect/1.1; +https://about.censys.io/) | 11 |
| Go-http-client/1.1 | 9 |
Port report
Port report
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