Is IP address 191.177.177.205 dangerous?

Yes, 191.177.177.205 is considered dangerous with a threat level of 10/10. It has been reported 4 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 191.177.177.205?

IP address 191.177.177.205 is operated by Claro NXT Telecomunicacoes Ltda (ASN 28573) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 191.177.177.205?

Yes, blocking 191.177.177.205 is strongly recommended. With a threat level of 10/10 and 4 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 191.177.177.205?

Our threat assessment for 191.177.177.205 has a confidence score of 51%, based on 4 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

191.177.177.205

IPv4 Public

AS28573

Claro NXT Telecomunicacoes Ltda

4 Reports

BR Location

Claro NXT Telecomunicacoe... ASN 28573

4 Reports

Honeypot Data Source

Critical Alert

Security alert: 191.177.177.205 rated 10/10 based on 4 verified incidents.

Threat profile indicates sustained malicious activity with 51% confidence rating.

More threatening than 87% of monitored IPs

Threat Categories

Exploited Host 3

Technical Details

This IP belongs to a compromised system being used as an attack platform without the owner's knowledge.

Recommended Mitigations

Block the IP and consider notifying the hosting provider or system owner about the compromise.

Reputable Network

This IP is hosted on a network (ASN 28573) with generally good reputation. The ISP Claro NXT Telecomunicacoes Ltda maintains standard security practices.

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

Security Recommendations

Implement immediate countermeasures. Well-resourced threat actor identified.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 7/10 High

Confidence Score 27% Medium Confidence

Confidence History

12. Feb 2026

51% Current

Stable Trend

Date	Categories	Source	Confidence
12. Feb 2026	Exploited Host	Honeypot	75%
12. Feb 2026	Exploited Host	Honeypot	75%
12. Feb 2026	Exploited Host	Honeypot x2	75%

Basic Information

IP Address: 191.177.177.205
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS28573
ISP: Claro NXT Telecomunicacoes Ltda

DNS Information

Reverse DNS: bfb1b1cd.virtua.com.br
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 4
First Reported: 12 Feb 2026
Last Reported: 12 Feb 2026, 08:08

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: AS28573

Organization: Claro NXT Telecomunicacoes Ltda

Country:

Network Threat Assessment

3/10

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

Network Statistics

Total IPs Monitored

600

Total Reports

9.5

Reports per IP

Network Context

This IP address belongs to Claro NXT Telecomunicacoes Ltda (AS28573), which manages 63 IP addresses in our monitoring system. Out of these, 600 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

87 %

Global Threat Ranking

This IP is more threatening than 87% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 199,386 reported IPs worldwide

Threat Level 10/10 avg: 5.3 ++

Total Reports 4 avg: 23 --

Network Comparison

Compared against 562 IPs in ASN 28573

Threat Level 10/10 network avg: 5.3 ++

Total Reports 4 network avg: 2 ++

Network Claro NXT Telecomunicacoes Ltda has overall threat level 3/10

Geographic Comparison

Compared against 10,256 IPs in BR

Threat Level 10/10 country avg: 5.5 ++

Total Reports 4 country avg: 14 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Thursday 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

Exploited Host 3

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

Hourly Activity

Peak activity at 07:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

187,017 threat incidents tracked globally • Last 24h: 18,967 Logs

FEED

Top Threat Sources

01

United States US

38,426 20.5%
02

India IN

28,977 15.5%
03

China CN

26,016 13.9%
04

Brazil BR THIS IP

10,249 5.5%
05

Germany DE

7,139 3.8%
06

Singapore SG

6,475 3.5%
07

Indonesia ID

5,533 3%
08

Russia RU

4,701 2.5%
09

Pakistan PK

4,647 2.5%
10

Netherlands NL

4,355 2.3%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.3/10 Avg Threat

69% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged

Critical Alert

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

Analyzed high-risk IP addresses

reportedIP

Parkstraße 19, 80339 München

Consultation

+49-89-215505888

Report a IP

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