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ASN REPORT — AS44143 · A1 Srbija d.o.o

First sighted: Oct. 23, 2023, 3 a.m. · Last sighted: Jan. 11, 2026, 1:59 a.m.

Risk
2 (low)
Total hits
153
Total errors
38
Observed IPs
67
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-18 11:54:54
Risk score
2
Low
Risk gradient
Key drivers are enriched against the published annotator catalog when available; otherwise sensible defaults are used.
Key drivers
Credential brute forcing
Repeated authentication attempts consistent with password guessing or credential stuffing.
cred
Hits 17
Points 51.92
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 8
Points 0.47
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 4
Points 0.32

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
76
3xx
27
4xx
36
5xx
2
Unique URLs
111
Total hits
153
First seen
Oct. 23, 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
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 17 pts 51.92
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 7 1 27.17 Dec. 20, 2023, 3:20 p.m. Jan. 5, 2025, 11:34 p.m.
cred 7
12 5 1 24.75 Dec. 20, 2023, 3:20 p.m. Jan. 5, 2025, 11:34 p.m.
cred 5
0 5 1 0.00 Dec. 20, 2023, 3:20 p.m. Jan. 5, 2025, 11:34 p.m.
cred 5
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 8 pts 0.47
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 1 1 0.47 March 6, 2025, 9:35 p.m. March 6, 2025, 9:35 p.m.
request_size 1
0 7 1 0.00 Dec. 26, 2024, 1:07 a.m. March 6, 2025, 9:35 p.m.
request_size 7
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 4 pts 0.32
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 3 1 0.22 Dec. 26, 2024, 1:07 a.m. Jan. 2, 2026, 6:25 p.m.
ua 3
8 1 1 0.10 Aug. 26, 2025, 7:09 p.m. Aug. 26, 2025, 7:09 p.m.
ua 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.