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ASN REPORT — AS18881 · TELEFÔNICA BRASIL S.A

First sighted: July 12, 2023, 3 a.m. · Last sighted: Feb. 23, 2026, 2 a.m.

Risk
46 (med)
Total hits
29882
Total errors
5614
Observed IPs
18988
Top country
Brazil
Top city
Volta Redonda
Top region
Tocantins

Risk

Model: v1 Computed: 2026-02-27 17:09:49
Risk score
46
Medium
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 405
Points 1359.60
Sensitive file probing
Requests target commonly sensitive files, configs, backups, or administrative resources.
sfp
Hits 11
Points 79.20
Command injection attempts
Request content resembles attempts to execute OS commands via an application.
cmdi
Hits 3
Points 74.80
User-Agent anomaly
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
ua
Hits 94
Points 13.64
Request size anomaly
Requests are unusually large or shaped in a way that suggests abuse or automation.
request_size
Hits 27
Points 5.40
Protocol anomaly
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
proto
Hits 4
Points 3.84

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
24268
3xx
0
4xx
5614
5xx
0
Unique URLs
0
Total hits
29882
First seen
July 12, 2023, 3 a.m.
Last seen
Feb. 23, 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 405 pts 1359.60
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
10 144 130 792.00 Dec. 20, 2023, 3:16 p.m. Feb. 22, 2026, 5:30 p.m. —
8 108 107 475.20 Jan. 27, 2026, 8:57 p.m. Feb. 22, 2026, 5:30 p.m. —
12 14 6 92.40 Dec. 20, 2023, 3:16 p.m. Jan. 30, 2026, 7:42 p.m. —
0 139 130 0.00 Dec. 20, 2023, 3:16 p.m. Feb. 22, 2026, 5:30 p.m. —
Sensitive file probing sfp
Requests target commonly sensitive files, configs, backups, or administrative resources.
hits 11 pts 79.20
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
40 5 5 44.00 Jan. 21, 2026, 2:12 p.m. Feb. 10, 2026, 7:36 a.m. —
24 3 3 15.84 Jan. 30, 2026, 2:53 a.m. Feb. 6, 2026, 2:02 p.m. —
36 2 2 15.84 Jan. 29, 2026, 12:15 p.m. Jan. 30, 2026, 7:17 a.m. —
16 1 1 3.52 Jan. 26, 2026, 6:48 a.m. Jan. 26, 2026, 6:48 a.m. —
Command injection attempts cmdi
Request content resembles attempts to execute OS commands via an application.
hits 3 pts 74.80
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
30 2 2 51.00 Jan. 29, 2026, 12:15 p.m. Jan. 30, 2026, 7:17 a.m. —
28 1 1 23.80 Jan. 30, 2026, 7:17 a.m. Jan. 30, 2026, 7:17 a.m. —
User-Agent anomaly ua
User-Agent signals look missing, inconsistent, or indicative of non-browser tooling.
hits 94 pts 13.64
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
8 53 31 8.48 July 12, 2023, 5:26 a.m. Nov. 6, 2025, 11:52 p.m. —
6 39 21 4.68 Sept. 18, 2024, 3:37 p.m. Nov. 28, 2025, 6:36 a.m. —
12 2 1 0.48 Jan. 28, 2025, 3:09 p.m. Jan. 28, 2025, 3:09 p.m. —
Request size anomaly request_size
Requests are unusually large or shaped in a way that suggests abuse or automation.
hits 27 pts 5.40
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 4 3 2.88 Jan. 11, 2025, 9:49 p.m. July 31, 2025, 7:39 p.m. —
14 3 3 2.52 Nov. 25, 2025, 3:38 p.m. Feb. 21, 2026, 3:10 a.m. —
0 20 12 0.00 Jan. 11, 2025, 9:49 p.m. Oct. 11, 2025, 6:48 p.m. —
Protocol anomaly proto
Request structure or protocol-level signals deviate from typical browser HTTP traffic.
hits 4 pts 3.84
Breakdown by severity band (all-time). “Weighted” reflects your weight configuration.
Severity Total Labels Weighted First seen Last seen Top labels
12 4 2 3.84 June 20, 2025, 7:25 p.m. June 21, 2025, 9:10 a.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.

177.17.245.2 low
Open report
2 /100
Last seen 2023-12-22 02:00
Hits
6
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.41.79.68 low
Open report
2 /100
Last seen 2024-05-01 03:00
Hits
6
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.99.73.81 low
Open report
2 /100
Last seen 2024-04-17 03:00
Hits
6
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.16.84.2 low
Open report
0 /100
Last seen 2025-06-30 03:00
Hits
46
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.205.2.100 low
Open report
0 /100
Last seen 2024-11-17 02:00
Hits
46
Errors
14
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.40.222.157 low
Open report
0 /100
Last seen 2025-08-01 03:00
Hits
38
Errors
11
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.176.54.23 low
Open report
0 /100
Last seen 2024-02-06 02:00
Hits
33
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
191.31.159.48 low
Open report
0 /100
Last seen 2024-12-18 02:00
Hits
22
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.206.251.232 low
Open report
0 /100
Last seen 2025-01-22 02:00
Hits
21
Errors
3
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.176.55.13 low
Open report
0 /100
Last seen 2023-10-20 03:00
Hits
21
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.157.19.214 low
Open report
0 /100
Last seen 2025-01-12 02:00
Hits
17
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.182.147.241 low
Open report
0 /100
Last seen 2025-09-16 03:00
Hits
17
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.178.246.43 low
Open report
0 /100
Last seen 2025-02-07 02:00
Hits
16
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.43.79.252 low
Open report
0 /100
Last seen 2026-02-13 02:00
Hits
14
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.132.121.47 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
14
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.133.235.104 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
13
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.59.37.225 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
13
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.113.154.69 low
Open report
0 /100
Last seen 2026-01-30 02:00
Hits
13
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.95.128.63 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
12
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.185.139.171 low
Open report
0 /100
Last seen 2024-11-30 02:00
Hits
12
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.187.2.32 low
Open report
0 /100
Last seen 2024-11-27 02:00
Hits
12
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
186.212.78.16 low
Open report
0 /100
Last seen 2024-10-14 03:00
Hits
12
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.40.204.97 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
11
Errors
3
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.98.171.226 low
Open report
0 /100
Last seen 2026-02-01 02:00
Hits
11
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.132.140.160 low
Open report
0 /100
Last seen 2025-09-15 03:00
Hits
11
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.157.203.161 low
Open report
0 /100
Last seen 2025-09-16 03:00
Hits
11
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.181.87.87 low
Open report
0 /100
Last seen 2026-02-05 02:00
Hits
11
Errors
5
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
189.58.90.88 low
Open report
0 /100
Last seen 2026-02-01 02:00
Hits
11
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
189.115.88.162 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
11
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
191.249.235.194 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
11
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.43.213.106 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
10
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.97.170.153 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
10
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.182.192.110 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
10
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.183.146.171 low
Open report
0 /100
Last seen 2026-02-23 02:00
Hits
10
Errors
3
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
186.213.67.63 low
Open report
0 /100
Last seen 2026-02-01 02:00
Hits
10
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
186.213.150.102 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
10
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.134.42.202 low
Open report
0 /100
Last seen 2026-02-05 02:00
Hits
9
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.157.17.182 low
Open report
0 /100
Last seen 2026-02-23 02:00
Hits
9
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.207.107.133 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
9
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.207.168.112 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
9
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.207.211.119 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
9
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.162.6.9 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
9
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.185.100.170 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
9
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.187.152.6 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
9
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
186.213.62.3 low
Open report
0 /100
Last seen 2026-02-17 02:00
Hits
9
Errors
3
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.113.221.170 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
9
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.115.82.249 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
9
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
189.59.106.177 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
9
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
191.35.226.221 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
9
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
201.22.141.205 low
Open report
0 /100
Last seen 2026-02-20 02:00
Hits
9
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.16.96.244 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.16.102.37 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
8
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.16.201.107 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.16.203.201 low
Open report
0 /100
Last seen 2026-02-17 02:00
Hits
8
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.17.50.197 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.18.197.105 low
Open report
0 /100
Last seen 2025-10-05 03:00
Hits
8
Errors
4
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.96.179.110 low
Open report
0 /100
Last seen 2026-01-30 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.98.71.211 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
8
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.135.140.239 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.207.234.91 low
Open report
0 /100
Last seen 2026-02-23 02:00
Hits
8
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.162.187.212 low
Open report
0 /100
Last seen 2026-01-24 02:00
Hits
8
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.181.102.29 low
Open report
0 /100
Last seen 2026-02-21 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
179.187.184.76 low
Open report
0 /100
Last seen 2026-02-18 02:00
Hits
8
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
186.212.29.133 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
186.212.160.143 low
Open report
0 /100
Last seen 2026-02-15 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.58.236.236 low
Open report
0 /100
Last seen 2026-01-30 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.59.67.249 low
Open report
0 /100
Last seen 2026-01-27 02:00
Hits
8
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.112.92.32 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
8
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
187.115.82.252 low
Open report
0 /100
Last seen 2026-02-02 02:00
Hits
8
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
191.31.96.218 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
8
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
191.249.160.171 low
Open report
0 /100
Last seen 2026-02-01 02:00
Hits
8
Errors
2
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.16.102.82 low
Open report
0 /100
Last seen 2026-02-16 02:00
Hits
7
Errors
3
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.17.132.10 low
Open report
0 /100
Last seen 2026-01-31 02:00
Hits
7
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.18.34.81 low
Open report
0 /100
Last seen 2026-02-12 02:00
Hits
7
Errors
1
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A
177.18.166.41 low
Open report
0 /100
Last seen 2026-02-22 02:00
Hits
7
Errors
0
Country
Brazil
ASN
AS18881
AS Org
TELEFÔNICA BRASIL S.A