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ASN REPORT — AS8866 · Vivacom Bulgaria EAD

First sighted: Nov. 6, 2023, 2 a.m. · Last sighted: Jan. 11, 2026, 1:59 a.m.

Risk
0 (low)
Total hits
1182
Total errors
69
Observed IPs
150
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:54:52
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 36
Points 4.80
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 48
Points 3.78
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 2
Points 1.26

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
506
3xx
82
4xx
50
5xx
19
Unique URLs
454
Total hits
1182
First seen
Nov. 6, 2023, 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
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 36 pts 4.80
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 9 1 4.21 Dec. 27, 2024, 1:07 a.m. March 9, 2025, 11:03 p.m.
request_size 9
14 1 1 0.59 May 24, 2025, 3:17 p.m. May 24, 2025, 3:17 p.m.
request_size 1
0 26 1 0.00 Dec. 27, 2024, 1:07 a.m. May 24, 2025, 3:17 p.m.
request_size 26
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 48 pts 3.78
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 38 1 2.74 April 17, 2024, 7:36 a.m. May 24, 2025, 3:19 p.m.
ua 38
8 10 1 1.04 Nov. 6, 2023, 4:34 p.m. Aug. 24, 2025, 3:51 a.m.
ua 10
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 2 pts 1.26
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 1 1 1.26 Dec. 6, 2024, 3:06 a.m. Dec. 6, 2024, 3:06 a.m.
scan_velocity 1
0 1 1 0.00 Dec. 6, 2024, 3:06 a.m. Dec. 6, 2024, 3:06 a.m.
scan_velocity 1

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.