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ASN REPORT — AS26599 · TELEFÔNICA BRASIL S.A

First sighted: Sept. 22, 2023, 3 a.m. · Last sighted: Jan. 26, 2026, 1:59 a.m.

Risk
5 (low)
Total hits
22632
Total errors
3548
Observed IPs
16296
Top country
N/A
Top city
N/A

Risk

Model: v1 Computed: 2026-01-29 10:18:33
Risk score
5
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 24
Points 71.61
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 3
Points 24.29
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 240
Points 20.65
Protocol anomaly
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
proto
Hits 13
Points 8.68
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 68
Points 6.34
Scan velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
scan_velocity
Hits 6
Points 3.78

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
9159
3xx
9596
4xx
3035
5xx
513
Unique URLs
20362
Total hits
22632
First seen
Sept. 22, 2023, 3 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
Credential brute forcing cred
Repeated authentication attempts consistent with password guessing or credential stuffing.
hits 24 pts 71.61
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 10 1 38.83 Dec. 20, 2023, 3:18 p.m. July 22, 2025, 10:47 a.m.
cred 10
12 6 1 29.70 Dec. 20, 2023, 3:18 p.m. July 22, 2025, 10:47 a.m.
cred 6
8 1 1 3.08 June 20, 2025, 8:49 a.m. June 20, 2025, 8:49 a.m.
cred 1
0 7 1 0.00 Dec. 20, 2023, 3:18 p.m. July 22, 2025, 10:47 a.m.
cred 7
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 3 pts 24.29
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 3 1 24.29 Jan. 22, 2026, 6:16 p.m. Jan. 24, 2026, 9:39 p.m.
sensitive_file 3
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 240 pts 20.65
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 103 1 10.71 Jan. 12, 2024, 7:14 a.m. Nov. 7, 2025, 7:48 a.m.
ua 103
6 136 1 9.79 June 4, 2024, 2:05 a.m. Dec. 21, 2025, 8:31 p.m.
ua 136
10 1 1 0.14 April 14, 2025, 4:10 p.m. April 14, 2025, 4:10 p.m.
ua 1
Protocol anomaly proto
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
hits 13 pts 8.68
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 9 1 6.22 Oct. 7, 2024, 8:49 p.m. June 23, 2025, 12:23 p.m.
proto 9
11 4 1 2.46 Sept. 12, 2025, 1:59 p.m. Dec. 17, 2025, 4:52 p.m.
proto 4
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 68 pts 6.34
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
14 6 1 3.53 July 2, 2025, 2:45 a.m. Jan. 23, 2026, 10:57 p.m.
request_size 6
12 6 1 2.81 Jan. 3, 2025, 1:20 a.m. Aug. 13, 2025, 5:47 a.m.
request_size 6
0 56 1 0.00 Jan. 3, 2025, 1:20 a.m. Oct. 11, 2025, 5:04 p.m.
request_size 56
Scan velocity scan_velocity
High request rate and broad endpoint coverage suggest scanning or automated enumeration.
hits 6 pts 3.78
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 3 1 3.78 May 24, 2025, 7:09 a.m. July 7, 2025, 5:01 p.m.
scan_velocity 3
0 3 1 0.00 May 24, 2025, 7:09 a.m. July 7, 2025, 5:01 p.m.
scan_velocity 3

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.