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ASN REPORT — AS5610 · O2 Czech Republic, a.s.

First sighted: Dec. 19, 2023, 2 a.m. · Last sighted: Jan. 26, 2026, 1:59 a.m.

Risk
1 (low)
Total hits
867
Total errors
76
Observed IPs
269
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-29 10:18:33
Risk score
1
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 48
Points 9.16
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 1
Points 4.33
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 48
Points 3.94
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 4
Points 2.52

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
537
3xx
142
4xx
63
5xx
13
Unique URLs
588
Total hits
867
First seen
Dec. 19, 2023, 2 a.m.
Last seen
Jan. 26, 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 48 pts 9.16
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 10 1 5.88 May 24, 2025, 12:05 a.m. July 31, 2025, 8:17 p.m.
request_size 10
12 7 1 3.28 Feb. 26, 2025, 6:50 p.m. Aug. 19, 2025, 5:57 p.m.
request_size 7
0 31 1 0.00 Jan. 22, 2025, 1:56 p.m. Aug. 19, 2025, 5:57 p.m.
request_size 31
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 1 pts 4.33
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
24 1 1 4.33 Jan. 25, 2026, 1:07 a.m. Jan. 25, 2026, 1:07 a.m.
sensitive_file 1
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 48 pts 3.94
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 33 1 2.38 Dec. 19, 2023, 2:20 p.m. July 31, 2025, 8:22 p.m.
ua 33
8 15 1 1.56 March 2, 2025, 11:34 a.m. Sept. 9, 2025, 12:45 p.m.
ua 15
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 4 pts 2.52
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 2 1 2.52 May 24, 2025, 12:06 a.m. July 31, 2025, 8:14 p.m.
scan_velocity 2
0 2 1 0.00 May 24, 2025, 12:06 a.m. July 31, 2025, 8:14 p.m.
scan_velocity 2

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.