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ASN REPORT — AS42821 · K&K Kommunikationssysteme GmbH

First sighted: March 10, 2025, 2 a.m. · Last sighted: Dec. 18, 2025, 2 a.m.

Risk
94 (High)
Total hits
781
Total errors
292
Observed IPs
21
Top country
The Netherlands
Top city
Eygelshoven
Top region
Limburg

Risk

Model: v1 Computed: Feb. 27, 2026, 5:09 p.m.
ASN risk score
94
High
Risk gradient
Contributor codes are normalized (e.g. sqli, cmdi, trav, sfp). Totals and breakdowns are derived from ASN rollups and explainability tables only.
Annotator influence radar
Rendering annotator influence profile…
Normalized contribution (0..1) per annotator versus robust per-code envelope.
All contributing signals
No annotator totals available.
Technical summary
Computed at
Feb. 27, 2026, 5:09 p.m.
Raw total
7097.00
Total hits
781
Errors
292

Traffic

Rollup

Daily activity (hits per day) and basic HTTP rollup counters for this ASN.

Loading activity…
Daily activity (hits per day). Total in window: —.
Traffic rollup
HTTP status classes, URL diversity, and totals.
2xx
489
3xx
0
4xx
292
5xx
0
Unique URLs
0
Total hits
781
First seen
March 10, 2025, 2 a.m.
Last seen
Dec. 18, 2025, 2 a.m.

HTTP Status Breakdown

Response mix grouped by status class (2xx/3xx/4xx/5xx). Auto-loads a single aggregation and renders a donut.

Loading status mix…
Running one aggregation and rendering the chart.

Geolocation

Live geolocation and map tiles auto-load for this ASN snapshot (peer IPs with coordinates).

Loading map…

SUBNETS HELD BY THIS ASN

Derived from report_ipaddress rows mapped to this ASN. Grouped into IPv4 /24 and IPv6 /48 by default.
IPv4
IPv6
Limit
Loading subnets…

Interesting IPs

Top risky peers inside this ASN (latest snapshot). Sorted by risk score, then hits.

213.209.143.30 high
Open report
100 /100
Last seen 2025-03-24 02:00
Hits
239
Errors
124
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.71 high
Open report
91 /100
Last seen 2025-07-04 03:00
Hits
344
Errors
73
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.162 high
Open report
77 /100
Last seen 2025-12-15 02:00
Hits
80
Errors
49
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.117 low
Open report
13 /100
Last seen 2025-09-23 03:00
Hits
20
Errors
0
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.197 low
Open report
3 /100
Last seen 2025-10-11 03:00
Hits
8
Errors
1
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.254 low
Open report
3 /100
Last seen 2025-11-07 02:00
Hits
8
Errors
7
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.218 low
Open report
3 /100
Last seen 2025-12-15 02:00
Hits
3
Errors
1
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.116 low
Open report
2 /100
Last seen 2025-08-18 03:00
Hits
14
Errors
2
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.24 low
Open report
2 /100
Last seen 2025-11-07 02:00
Hits
5
Errors
4
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.52 low
Open report
1 /100
Last seen 2025-12-18 02:00
Hits
17
Errors
17
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.239 low
Open report
1 /100
Last seen 2025-10-08 03:00
Hits
6
Errors
2
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.35 low
Open report
1 /100
Last seen 2025-04-25 03:00
Hits
3
Errors
3
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.108 low
Open report
1 /100
Last seen 2025-09-20 03:00
Hits
2
Errors
0
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.232 low
Open report
0 /100
Last seen 2025-10-24 03:00
Hits
21
Errors
6
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.49 low
Open report
0 /100
Last seen 2025-12-02 02:00
Hits
2
Errors
0
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.94 low
Open report
0 /100
Last seen 2025-04-29 03:00
Hits
2
Errors
1
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.117 low
Open report
0 /100
Last seen 2025-12-15 02:00
Hits
2
Errors
2
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.157.216 low
Open report
0 /100
Last seen 2025-09-16 03:00
Hits
2
Errors
0
Country
Germany
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.44 low
Open report
0 /100
Last seen 2025-09-21 03:00
Hits
1
Errors
0
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.125 low
Open report
0 /100
Last seen 2025-08-19 03:00
Hits
1
Errors
0
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH
213.209.143.130 low
Open report
0 /100
Last seen 2025-03-26 02:00
Hits
1
Errors
0
Country
The Netherlands
ASN
AS42821
AS Org
K&K Kommunikationssysteme GmbH