Is IP address 189.4.76.156 dangerous?

Yes, 189.4.76.156 is considered dangerous with a threat level of 8/10. It has been reported 15 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 189.4.76.156?

IP address 189.4.76.156 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 189.4.76.156?

Yes, blocking 189.4.76.156 is strongly recommended. With a threat level of 8/10 and 15 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 189.4.76.156?

Our threat assessment for 189.4.76.156 has a confidence score of 86%, based on 15 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

189.4.76.156

IPv4 Public

AS28573

Claro NXT Telecomunicacoes Ltda

15 Reports

Brazil Location

Claro NXT Telecomunicacoe... ASN 28573

15 Reports

Mixed Data Source

Significant Threat

IP 189.4.76.156 identified as significant threat (8/10) from 15 events.

Multiple malicious indicators detected. Confidence level: 86%.

More threatening than 84% of monitored IPs

Threat Categories

Brute-Force 11

Port Scan 2

Hacking 2

WP XML-RPC Brute Force 2

WP Login Brute Force 2

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 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 rate limiting or temporary blocking measures.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 8/10 High

Confidence Score 54% High Confidence

Confidence History

15. May 2026 - 19. Jun 2026

86% Current

Stable Trend

Date	Categories	Source	Confidence
19. Jun 2026	Brute-Force	Community	75%
19. Jun 2026	Port Scan Hacking WP XML-RPC Brute Force	Honeypot	75%
19. Jun 2026	Port Scan Hacking WP XML-RPC Brute Force	Honeypot	75%
18. Jun 2026	Brute-Force	Community	75%
18. Jun 2026	WP Login Brute Force	Honeypot	75%
9. Jun 2026	WP Login Brute Force	Honeypot	75%
3. Jun 2026	Brute-Force	Community	75%
2. Jun 2026	Brute-Force	Community	75%
1. Jun 2026	Brute-Force	Community	75%
28. May 2026	Brute-Force	Community	75%
27. May 2026	Brute-Force	Community	75%
26. May 2026	Brute-Force	Community	75%
21. May 2026	Brute-Force	Community	75%
20. May 2026	Brute-Force	Community	75%
15. May 2026	Brute-Force	Community	75%

Basic Information

IP Address: 189.4.76.156
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: bd044c9c.virtua.com.br
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 15
First Reported: 15 May 2026
Last Reported: 19 Jun 2026, 18:39

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

84 %

Global Threat Ranking

This IP is more threatening than 84% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 312,306 reported IPs worldwide

Threat Level 8/10 avg: 6.0 +

Total Reports 15 avg: 18 -

Network Comparison

Compared against 920 IPs in ASN 28573

Threat Level 8/10 network avg: 5.8 +

Total Reports 15 network avg: 2 ++

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

Geographic Comparison

Compared against 15,560 IPs in BR

Threat Level 8/10 country avg: 5.9 +

Total Reports 15 country avg: 10 +

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Thursday 4 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 11

WP Login Brute Force 2

Port Scan 2

Hacking 2

WP XML-RPC Brute Force 2

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

Hourly Activity

Peak activity at 21:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

292,711 threat incidents tracked globally • Last 24h: 17,660 Logs

FEED

Top Threat Sources

01

United States US

65,787 22.5%
02

India IN

49,120 16.8%
03

China CN

35,633 12.2%
04

Brazil BR THIS IP

15,556 5.3%
05

Germany DE

10,500 3.6%
06

Pakistan PK

8,479 2.9%
07

Indonesia ID

8,404 2.9%
08

Singapore SG

8,312 2.8%
09

Russia RU

6,394 2.2%
10

Netherlands NL

6,295 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.7/10 Avg Threat

82% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged