Is IP address 191.54.35.58 dangerous?

Yes, 191.54.35.58 is considered dangerous with a threat level of 10/10. It has been reported 3 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 191.54.35.58?

IP address 191.54.35.58 is operated by ALGAR TELECOM S/A (ASN 53006) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 191.54.35.58?

Yes, blocking 191.54.35.58 is strongly recommended. With a threat level of 10/10 and 3 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 191.54.35.58?

Our threat assessment for 191.54.35.58 has a confidence score of 16%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

191.54.35.58

IPv4 Public

AS53006

ALGAR TELECOM S/A

3 Reports

Is this your IP address? If the cause is fixed, you can request removal. Free of charge, usually decided within 48 hours. Request delisting

Brazil Location

ALGAR TELECOM S/A ASN 53006

3 Reports

Honeypot Data Source

Extreme Threat

IP 191.54.35.58 classified at threat level 10/10 with 3 documented attacks.

Advanced threat indicators confirmed with 16% certainty.

More threatening than 94% of monitored IPs

Threat Categories

Brute-Force 3

Web App Attack 3

Technical Details

Brute-force attacks systematically attempt password combinations against authentication systems.

Recommended Mitigations

Implement rate limiting, account lockout policies, multi-factor authentication, and fail2ban.

Reputable Network

This IP is hosted on a network (ASN 53006) with generally good reputation. The ISP ALGAR TELECOM S/A maintains standard security practices.

The malicious activity may represent an isolated compromised system rather than systematic abuse.

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 0/10 Inactive

Confidence Score 11% Low Confidence

Confidence History

16. Aug 2026

16% Current

Stable Trend

Date	Categories	Source	Confidence
16. Aug 2026	Brute-Force Web App Attack	Honeypot	75%
16. Aug 2026	Brute-Force Web App Attack	Honeypot	75%
16. Aug 2026	Brute-Force Web App Attack	Honeypot	75%

Basic Information

IP Address: 191.54.35.58
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS53006
ISP: ALGAR TELECOM S/A

DNS Information

Reverse DNS: 191-054-035-58.xd-dynamic.algarnetsuper.com.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 3
First Reported: 16 Aug 2026
Last Reported: 16 Aug 2026, 08:28

Network Reputation

Analysis of the entire network (ASN) that this IP address belongs to, providing context about the hosting provider and network-wide threat patterns.

Network Identity

ASN: AS53006

Organization: ALGAR TELECOM SA

Country:

Network Threat Assessment

3/10

This network appears to be relatively clean with very low threat indicators.

Network Statistics

Total IPs Monitored

Total Reports

3.5

Reports per IP

Network Context

This IP address belongs to ALGAR TELECOM SA (AS53006), which manages 10 IP addresses in our monitoring system. Out of these, 35 have been reported for suspicious activities, resulting in a network-wide threat level of 3/10.

Network status: This network appears to be well-maintained with low threat indicators.

Comparative Analysis

How this IP compares to others in our threat intelligence database

94 %

Global Threat Ranking

This IP is more threatening than 94% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 852,292 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 3 avg: 9 --

Network Comparison

Compared against 911 IPs in ASN 53006

Threat Level 10/10 network avg: 5.3 ++

Total Reports 3 network avg: 1 ++

Network ALGAR TELECOM S/A has overall threat level 3/10

Geographic Comparison

Compared against 113,002 IPs in BR

Threat Level 10/10 country avg: 5.4 ++

Total Reports 3 country avg: 3 =

Daily report activity over the last 30 days showing patterns and peaks.

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Sunday 3 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 6/10

Current Threat 6/10

Distribution of threat categories reported over time.

Top Threat Categories

Brute-Force 3

Web App Attack 3

Activity patterns showing when this IP is most active during the day and week.

Hourly Activity

Peak activity at 08:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

774,471 threat incidents tracked globally • Last 24h: 29,572 Logs

FEED

Top Threat Sources

01

United States US

151,223 19.5%
02

Brazil BR THIS IP

113,004 14.6%
03

India IN

90,208 11.6%
04

China CN

46,689 6%
05

SC SC

29,267 3.8%
06

Germany DE

18,900 2.4%
07

Pakistan PK

18,475 2.4%
08

Netherlands NL

18,317 2.4%
09

Argentina AR

16,739 2.2%
10

Indonesia ID

15,393 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

IPs from the same Autonomous System (AS) network provider.

20 Related IPs

8.5/10 Avg Threat

32% Avg Confidence

17 High Threat

High-risk network: Majority of related IPs are flagged

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

Network Reputation

Network Identity

Network Threat Assessment

Network Statistics

Network Context

Global Threat Ranking

Top Threat Categories

Hourly Activity

Weekly Activity

FEED

Top Threat Sources

JSON Report

Firewall Rules

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

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