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ASN REPORT — AS39603 · P4 Sp. z o.o.

First sighted: Oct. 8, 2023, 3 a.m. · Last sighted: Jan. 11, 2026, 1:59 a.m.

Risk
0 (low)
Total hits
433
Total errors
32
Observed IPs
33
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:54:57
Risk score
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 41
Points 5.62
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 30
Points 2.16

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
284
3xx
4
4xx
21
5xx
11
Unique URLs
248
Total hits
433
First seen
Oct. 8, 2023, 3 a.m.
Last seen
Jan. 11, 2026, 1:59 a.m.

Annotators (All-time)

Heatmap of annotator × severity. Darker cells mean more volume in that band. Tip: switch to Weighted points to see what drives impact (not just noise).

Severity →
Low High
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 41 pts 5.62
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 12 1 5.62 Dec. 27, 2024, 9:09 p.m. July 22, 2025, 6 p.m.
request_size 12
0 29 1 0.00 Dec. 27, 2024, 9:09 p.m. Oct. 11, 2025, 2:39 a.m.
request_size 29
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 30 pts 2.16
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 30 1 2.16 May 10, 2024, 12:20 p.m. July 22, 2025, 6:01 p.m.
ua 30

HTTP Status Breakdown

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

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Running one aggregation and rendering the chart.

Geolocation

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

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SUBNETS HELD BY THIS ISP

Derived from ISP snapshot peers (Option A). Grouped into IPv4 /24 and IPv6 /48 by default.
IPv4
IPv6
Limit
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Interesting IPs

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

No peer rows available for this ASN snapshot.