Port 20443

HoneyLabs honeypots recorded 1,023 probes against destination port 20443 from 143 distinct source IP addresses in the last 7 days.

First observed 2026-11-08 08:54, most recently 2026-11-15 06:58 (UTC).

What the sensors show

The sources sat in 18 networks across 13 countries. One address, 77.91.71.23, sent 30% of them. The largest source network was AS211486 (Alferov Aleksey Aleksandrovich), with 45% of the probes from 3 addresses. 18 of the 25 busiest addresses are recognised research scanners.

Most active source addresses

Source IPProbesNetworkCountry
77.91.71.23306Alferov Aleksey AleksandrovichRU
77.91.71.25136Alferov Aleksey AleksandrovichRU
138.226.239.90102HOSTRAMGB
216.218.206.6726Hurricane Electric LLCUS
216.218.206.6626Hurricane Electric LLCUS
77.91.71.2417Alferov Aleksey AleksandrovichRU
65.49.1.13216Hurricane Electric LLCUS
199.165.159.916The Shadowserver Foundation, Inc.US

Networks it comes from

ASNOrganisationProbesSource IPs
AS211486Alferov Aleksey Aleksandrovich4593
AS6939Hurricane Electric LLC16931
AS22168The Shadowserver Foundation, Inc.15854
AS403092HOSTRAM1021
AS396982Google LLC4217
AS135377UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED284

Where it comes from

CountryProbes
Russia459
United States384
United Kingdom119
Kazakhstan17
France13
Hong Kong7

Client strings seen on this port

User agentProbes
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36528
Go-http-client/1.133
Mozilla/5.0 (compatible; GenomeCrawlerd/1.0; +https://www.nokia.com/genomecrawler)25
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:134.0) Gecko/20100101 Firefox/134.016
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/120.0.0.016

Port report

Port report

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