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ASN REPORT — AS61591 · WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME

First sighted: July 18, 2025, 3 a.m. · Last sighted: March 2, 2026, 2 a.m.

Risk
2 (low)
Total hits
715
Total errors
145
Observed IPs
347
Top country
Brazil
Top city
São Gonçalo
Top region
Rio de Janeiro

Risk

Model: v1 Computed: 2026-03-03 19:54:56
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 14
Points 45.10
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 3
Points 0.40

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
570
3xx
0
4xx
145
5xx
0
Unique URLs
0
Total hits
715
First seen
July 18, 2025, 3 a.m.
Last seen
March 2, 2026, 2 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 14 pts 45.10
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 5 5 27.50 Feb. 18, 2026, 11:42 p.m. Feb. 25, 2026, 9:57 a.m. —
8 4 4 17.60 Feb. 18, 2026, 11:42 p.m. Feb. 25, 2026, 9:57 a.m. —
0 5 5 0.00 Feb. 18, 2026, 11:42 p.m. Feb. 25, 2026, 9:57 a.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 3 pts 0.40
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
6 2 1 0.24 Aug. 2, 2025, 11 p.m. Aug. 2, 2025, 11 p.m. —
8 1 1 0.16 Aug. 26, 2025, 4:30 p.m. Aug. 26, 2025, 4:30 p.m. —

HTTP Status Breakdown

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

Loading status mix…
Running one aggregation and rendering the chart.

Geolocation

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

Loading map…

SUBNETS HELD BY THIS ISP

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

Interesting IPs

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

45.237.73.97 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
13
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.185 low
Open report
0 /100
Last seen 2026-02-13 02:00
Hits
9
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.41.97 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
9
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.227 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
7
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.246 low
Open report
0 /100
Last seen 2026-02-01 02:00
Hits
6
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.73.114 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
6
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.251 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
6
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.123 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
6
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.238 low
Open report
0 /100
Last seen 2026-03-01 02:00
Hits
6
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.42.211 low
Open report
0 /100
Last seen 2026-03-01 02:00
Hits
6
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.122 low
Open report
0 /100
Last seen 2026-02-14 02:00
Hits
5
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.170 low
Open report
0 /100
Last seen 2026-01-26 02:00
Hits
5
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.73.76 low
Open report
0 /100
Last seen 2026-03-02 02:00
Hits
5
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.236 low
Open report
0 /100
Last seen 2026-02-11 02:00
Hits
5
Errors
3
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.244 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
5
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.13 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
5
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.107 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
5
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.160 low
Open report
0 /100
Last seen 2026-02-08 02:00
Hits
5
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.209 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
5
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.210 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
5
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.250 low
Open report
0 /100
Last seen 2026-02-19 02:00
Hits
5
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.253 low
Open report
0 /100
Last seen 2026-02-14 02:00
Hits
5
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.11 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.21 low
Open report
0 /100
Last seen 2026-01-27 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.45 low
Open report
0 /100
Last seen 2026-02-10 02:00
Hits
4
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.87 low
Open report
0 /100
Last seen 2026-01-23 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.91 low
Open report
0 /100
Last seen 2026-02-08 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.163 low
Open report
0 /100
Last seen 2026-02-19 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.175 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.73.86 low
Open report
0 /100
Last seen 2026-02-28 02:00
Hits
4
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.37 low
Open report
0 /100
Last seen 2026-02-08 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.49 low
Open report
0 /100
Last seen 2025-08-03 03:00
Hits
4
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.249 low
Open report
0 /100
Last seen 2026-01-23 02:00
Hits
4
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.68 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
4
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.86 low
Open report
0 /100
Last seen 2026-01-23 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.112 low
Open report
0 /100
Last seen 2026-01-27 02:00
Hits
4
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.173 low
Open report
0 /100
Last seen 2026-03-01 02:00
Hits
4
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.208 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
4
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.221 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
4
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.223 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
4
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.225 low
Open report
0 /100
Last seen 2026-02-07 02:00
Hits
4
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.40.245 low
Open report
0 /100
Last seen 2026-02-15 02:00
Hits
4
Errors
3
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
170.247.42.214 low
Open report
0 /100
Last seen 2026-02-27 02:00
Hits
4
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.0 low
Open report
0 /100
Last seen 2026-02-14 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.7 low
Open report
0 /100
Last seen 2026-02-05 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.12 low
Open report
0 /100
Last seen 2026-02-09 02:00
Hits
3
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.40 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.50 low
Open report
0 /100
Last seen 2026-02-19 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.69 low
Open report
0 /100
Last seen 2026-02-15 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.70 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.77 low
Open report
0 /100
Last seen 2026-02-09 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.138 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.149 low
Open report
0 /100
Last seen 2026-02-07 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.153 low
Open report
0 /100
Last seen 2026-01-27 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.174 low
Open report
0 /100
Last seen 2026-02-17 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.197 low
Open report
0 /100
Last seen 2026-01-30 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.200 low
Open report
0 /100
Last seen 2026-01-21 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.72.232 low
Open report
0 /100
Last seen 2026-02-08 02:00
Hits
3
Errors
2
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.73.64 low
Open report
0 /100
Last seen 2026-01-28 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.73.67 low
Open report
0 /100
Last seen 2026-01-29 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.73.70 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.73.125 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.36 low
Open report
0 /100
Last seen 2026-02-14 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.53 low
Open report
0 /100
Last seen 2026-02-13 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.59 low
Open report
0 /100
Last seen 2026-02-01 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.234 low
Open report
0 /100
Last seen 2026-01-26 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.237 low
Open report
0 /100
Last seen 2026-03-02 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
45.237.74.247 low
Open report
0 /100
Last seen 2026-02-06 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.66.141 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.0 low
Open report
0 /100
Last seen 2026-02-09 02:00
Hits
3
Errors
0
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.16 low
Open report
0 /100
Last seen 2026-02-07 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.23 low
Open report
0 /100
Last seen 2026-02-05 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.28 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.66 low
Open report
0 /100
Last seen 2026-02-16 02:00
Hits
3
Errors
1
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME
138.97.67.73 low
Open report
0 /100
Last seen 2026-02-07 02:00
Hits
3
Errors
3
Country
Brazil
ASN
AS61591
AS Org
WESTLINK TECNOLOGIA E COMUNICACAO LTDA. - ME