Is IP address 186.218.28.211 dangerous?

Yes, 186.218.28.211 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 186.218.28.211?

IP address 186.218.28.211 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 186.218.28.211?

Yes, blocking 186.218.28.211 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 186.218.28.211?

Our threat assessment for 186.218.28.211 has a confidence score of 38%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

186.218.28.211

IPv4 Public

AS28573

Claro NXT Telecomunicacoes Ltda

3 Reports

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Brazil Location

Claro NXT Telecomunicacoe... ASN 28573

3 Reports

Honeypot Data Source

Extreme Threat

IP 186.218.28.211 classified at threat level 10/10 with 3 documented attacks.

Advanced threat indicators confirmed with 38% certainty.

More threatening than 97% 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.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 22. September 2026

Last Activity 22. September 2026

Recent (7 days) 0 incidents

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

Proactive blocking essential. Significant operational risk detected.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 0/10 Inactive

Confidence Score 38% Medium Confidence

Confidence History

22. Sep 2026

38% Current

Stable Trend

Date	Categories	Source	Confidence
22. Sep 2026	Brute-Force Web App Attack	Honeypot	75%
22. Sep 2026	Brute-Force Web App Attack	Honeypot	75%
22. Sep 2026	Brute-Force Web App Attack	Honeypot	75%

Basic Information

IP Address: 186.218.28.211
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: bada1cd3.virtua.com.br
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 3
First Reported: 22 Sep 2026
Last Reported: 22 Sep 2026, 18:47

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

97 %

Global Threat Ranking

This IP is more threatening than 97% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 832,206 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 3 avg: 9 --

Network Comparison

Compared against 7,951 IPs in ASN 28573

Threat Level 10/10 network avg: 5.3 ++

Total Reports 3 network avg: 1 ++

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

Geographic Comparison

Compared against 111,808 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 22 Sep 2026 3 reports

Daily Average 0.1 reports/day

Most Active Tuesday 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 18:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

756,541 threat incidents tracked globally • Last 24h: 29,134 Logs

FEED

Top Threat Sources

01

United States US

148,054 19.6%
02

Brazil BR THIS IP

111,808 14.8%
03

India IN

87,138 11.5%
04

China CN

46,044 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,353 2.4%
07

Netherlands NL

17,968 2.4%
08

Pakistan PK

17,792 2.4%
09

Argentina AR

16,265 2.1%
10

Colombia CO

15,169 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.6/10 Avg Threat

85% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

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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