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ASN REPORT — AS43037 · Seznam.cz, a.s.

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 Score
--unknown

Computed instantly from Syndu's current trust-and-risk model.

Total Hits
12325
Total Errors
2880
First Seen
Oct. 28, 2024, 2 a.m.
Last Seen
March 13, 2026, 2 a.m.
Risk Level
--
Risk Score
--

Dimension Baselines

In-scope matched dimensions contribute directly to the contextual score. Each value links to the corresponding report and latest computed baseline.

Create API Account Risk API Docs View Pricing

Behavioral Risk

Model: v1 Computed: March 18, 2026, 7:36 a.m.
ASN risk score
89
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
March 18, 2026, 7:36 a.m.
Raw total
5423.34
Total hits
12325
Errors
2880

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
9445
3xx
0
4xx
2880
5xx
0
Unique URLs
0
Total hits
12325
First seen
Oct. 28, 2024, 2 a.m.
Last seen
March 13, 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.

77.75.76.163 high
Open report
100 /100
Last seen 2026-02-12 02:00
Hits
2430
Errors
211
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.77.101 med
Open report
58 /100
Last seen 2024-11-14 02:00
Hits
1517
Errors
166
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.168 low
Open report
30 /100
Last seen 2026-02-27 02:00
Hits
1926
Errors
269
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.162 low
Open report
6 /100
Last seen 2025-08-29 03:00
Hits
168
Errors
130
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.166 low
Open report
5 /100
Last seen 2025-08-19 03:00
Hits
79
Errors
38
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.72 low
Open report
5 /100
Last seen 2026-02-06 02:00
Hits
42
Errors
8
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.77.32 low
Open report
3 /100
Last seen 2026-03-01 02:00
Hits
165
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.165 low
Open report
3 /100
Last seen 2026-02-24 02:00
Hits
154
Errors
10
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.171 low
Open report
3 /100
Last seen 2026-02-22 02:00
Hits
138
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.164 low
Open report
1 /100
Last seen 2026-03-13 02:00
Hits
37
Errors
5
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.77.17 low
Open report
1 /100
Last seen 2026-03-13 02:00
Hits
31
Errors
2
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.109 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
18
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.17 low
Open report
0 /100
Last seen 2026-02-23 02:00
Hits
17
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.160 low
Open report
0 /100
Last seen 2026-03-13 02:00
Hits
16
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.166 low
Open report
0 /100
Last seen 2026-03-12 02:00
Hits
16
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.162 low
Open report
0 /100
Last seen 2026-02-26 02:00
Hits
15
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.54 low
Open report
0 /100
Last seen 2026-03-12 02:00
Hits
15
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.62 low
Open report
0 /100
Last seen 2026-03-10 02:00
Hits
15
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.77.54 low
Open report
0 /100
Last seen 2026-03-11 02:00
Hits
14
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.32 low
Open report
0 /100
Last seen 2026-03-13 02:00
Hits
14
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.165 low
Open report
0 /100
Last seen 2026-03-13 02:00
Hits
13
Errors
2
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.77.109 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
13
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.163 low
Open report
0 /100
Last seen 2026-03-09 02:00
Hits
13
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.36 low
Open report
0 /100
Last seen 2026-02-26 02:00
Hits
13
Errors
3
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.169 low
Open report
0 /100
Last seen 2026-03-12 02:00
Hits
12
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.170 low
Open report
0 /100
Last seen 2026-02-27 02:00
Hits
11
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.167 low
Open report
0 /100
Last seen 2026-03-12 02:00
Hits
10
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.172 low
Open report
0 /100
Last seen 2026-03-05 02:00
Hits
10
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.167 low
Open report
0 /100
Last seen 2026-03-09 02:00
Hits
6
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.170 low
Open report
0 /100
Last seen 2026-03-13 02:00
Hits
5
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.172 low
Open report
0 /100
Last seen 2026-03-09 02:00
Hits
5
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.160 low
Open report
0 /100
Last seen 2024-11-20 02:00
Hits
5
Errors
1
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.79.95 low
Open report
0 /100
Last seen 2026-03-12 02:00
Hits
5
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.77.36 low
Open report
0 /100
Last seen 2026-02-10 02:00
Hits
4
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.171 low
Open report
0 /100
Last seen 2026-03-10 02:00
Hits
3
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.77.95 low
Open report
0 /100
Last seen 2026-03-07 02:00
Hits
3
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.78.161 low
Open report
0 /100
Last seen 2025-11-07 02:00
Hits
2
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.
77.75.76.161 low
Open report
0 /100
Last seen 2024-12-10 02:00
Hits
1
Errors
0
Country
Czechia
ASN
AS43037
AS Org
Seznam.cz, a.s.