DigitalOcean Referral Badge
cloud1
cloud2
cloud3
cloud4
cloud5
cloud6
← Back

ASN REPORT — AS20539 · Technical Centre Radio Systems Ltd.

Contextual Risk

Syndu matches the queried target properties against aggregated behavioral baselines across the IP hierarchy and calculates a contextual risk score from the matched dimensions.

Contextual Risk
--unknown

Context-aware score.

Total Hits
119
Total Errors
19
First Seen
Aug. 4, 2025, 3 a.m.
Last Seen
March 6, 2026, 2 a.m.
Risk Level
--
Risk Score
--

Dimension Baselines

Matched dimensions contribute directly to the contextual score. Each value links to the corresponding report and latest computed baseline.

Behavioral Risk

Model: v1 Computed: March 13, 2026, 9:05 a.m.
ASN risk score
0
Low
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
March 13, 2026, 9:05 a.m.
Raw total
15.40
Total hits
119
Errors
19

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
100
3xx
0
4xx
19
5xx
0
Unique URLs
0
Total hits
119
First seen
Aug. 4, 2025, 3 a.m.
Last seen
March 6, 2026, 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.

31.135.136.35 low
0 /100
Last seen 2026-02-28 02:00
Hits
6
Errors
2
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.142.59 low
0 /100
Last seen 2026-02-21 02:00
Hits
4
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.144.167 low
0 /100
Last seen 2026-02-15 02:00
Hits
4
Errors
2
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.154.13 low
0 /100
Last seen 2026-01-21 02:00
Hits
4
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.141.53 low
0 /100
Last seen 2026-01-27 02:00
Hits
3
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.150.112 low
0 /100
Last seen 2026-02-19 02:00
Hits
3
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.151.248 low
0 /100
Last seen 2026-03-05 02:00
Hits
3
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
194.146.231.87 low
0 /100
Last seen 2026-01-23 02:00
Hits
3
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.128.177 low
0 /100
Last seen 2026-03-01 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.132.79 low
0 /100
Last seen 2026-02-05 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.134.16 low
0 /100
Last seen 2026-03-06 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.134.132 low
0 /100
Last seen 2026-01-25 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.143.176 low
0 /100
Last seen 2026-02-18 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.144.208 low
0 /100
Last seen 2026-01-27 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.146.218 low
0 /100
Last seen 2026-02-16 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.147.241 low
0 /100
Last seen 2025-08-05 03:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.148.215 low
0 /100
Last seen 2026-02-26 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.151.60 low
0 /100
Last seen 2026-01-23 02:00
Hits
2
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.152.247 low
0 /100
Last seen 2026-02-27 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.153.83 low
0 /100
Last seen 2026-01-22 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.157.156 low
0 /100
Last seen 2026-02-12 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
91.201.227.103 low
0 /100
Last seen 2026-02-21 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.160.164 low
0 /100
Last seen 2026-03-01 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.161.200 low
0 /100
Last seen 2026-01-23 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.162.163 low
0 /100
Last seen 2026-03-04 02:00
Hits
2
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.128.77 low
0 /100
Last seen 2026-02-14 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.129.22 low
0 /100
Last seen 2026-01-28 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.130.16 low
0 /100
Last seen 2026-02-05 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.130.47 low
0 /100
Last seen 2026-03-04 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.130.179 low
0 /100
Last seen 2026-01-29 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.131.38 low
0 /100
Last seen 2026-02-14 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.131.174 low
0 /100
Last seen 2026-02-09 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.133.176 low
0 /100
Last seen 2026-01-25 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.134.56 low
0 /100
Last seen 2026-01-25 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.135.36 low
0 /100
Last seen 2025-09-18 03:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.135.208 low
0 /100
Last seen 2026-02-05 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.136.30 low
0 /100
Last seen 2026-02-05 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.138.84 low
0 /100
Last seen 2026-01-29 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.139.66 low
0 /100
Last seen 2026-02-22 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.139.144 low
0 /100
Last seen 2026-02-19 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.139.150 low
0 /100
Last seen 2026-03-04 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.139.206 low
0 /100
Last seen 2026-02-19 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.143.10 low
0 /100
Last seen 2026-02-12 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.143.99 low
0 /100
Last seen 2026-02-14 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.144.12 low
0 /100
Last seen 2026-03-06 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.144.58 low
0 /100
Last seen 2026-02-19 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.144.222 low
0 /100
Last seen 2026-01-28 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.145.20 low
0 /100
Last seen 2026-02-16 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.145.58 low
0 /100
Last seen 2026-02-25 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.145.108 low
0 /100
Last seen 2026-02-18 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.145.237 low
0 /100
Last seen 2026-02-20 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.146.37 low
0 /100
Last seen 2026-01-23 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.147.99 low
0 /100
Last seen 2026-02-18 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.147.109 low
0 /100
Last seen 2026-02-15 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.147.222 low
0 /100
Last seen 2026-02-15 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.150.83 low
0 /100
Last seen 2026-02-10 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.151.198 low
0 /100
Last seen 2026-01-28 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.152.40 low
0 /100
Last seen 2026-01-25 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.152.115 low
0 /100
Last seen 2026-01-28 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.154.19 low
0 /100
Last seen 2026-01-21 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.155.70 low
0 /100
Last seen 2026-03-02 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.156.52 low
0 /100
Last seen 2026-02-17 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.156.58 low
0 /100
Last seen 2026-02-07 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.156.201 low
0 /100
Last seen 2026-02-15 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.157.44 low
0 /100
Last seen 2026-02-17 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.157.135 low
0 /100
Last seen 2026-01-23 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.157.211 low
0 /100
Last seen 2026-02-21 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.158.1 low
0 /100
Last seen 2026-02-20 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
31.135.159.93 low
0 /100
Last seen 2026-01-27 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
91.201.226.232 low
0 /100
Last seen 2026-02-18 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.161.10 low
0 /100
Last seen 2026-02-02 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.161.94 low
0 /100
Last seen 2026-02-12 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.161.150 low
0 /100
Last seen 2026-02-14 02:00
Hits
1
Errors
1
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.163.150 low
0 /100
Last seen 2026-02-09 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.
94.199.165.117 low
0 /100
Last seen 2026-02-05 02:00
Hits
1
Errors
0
Country
Ukraine
ASN
AS20539
AS Org
Technical Centre Radio Systems Ltd.