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ASN REPORT — AS21497 · PrJSC VF UKRAINE

First sighted: Nov. 13, 2024, 2 a.m. · Last sighted: Jan. 11, 2026, 1:59 a.m.

Risk
0 (low)
Total hits
374
Total errors
55
Observed IPs
191
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:53:42
Risk score
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 4
Points 2.52
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 21
Points 1.96
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 10
Points 0.94

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
203
3xx
89
4xx
50
5xx
5
Unique URLs
276
Total hits
374
First seen
Nov. 13, 2024, 2 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
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 Nov. 30, 2024, 10:59 a.m. Nov. 30, 2024, 10:59 a.m.
scan_velocity 2
0 2 1 0.00 Nov. 30, 2024, 10:59 a.m. Nov. 30, 2024, 10:59 a.m.
scan_velocity 2
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 21 pts 1.96
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 14 1 1.46 Aug. 26, 2025, 9:36 a.m. Nov. 6, 2025, 5:58 a.m.
ua 14
6 7 1 0.50 Jan. 8, 2025, 11:11 p.m. Sept. 11, 2025, 5:57 a.m.
ua 7
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 10 pts 0.94
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 2 1 0.94 Jan. 8, 2025, 11:11 p.m. Jan. 8, 2025, 11:34 p.m.
request_size 2
0 8 1 0.00 Jan. 8, 2025, 11:11 p.m. Jan. 8, 2025, 11:34 p.m.
request_size 8

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.