Is IP address 187.28.1.110 dangerous?

Yes, 187.28.1.110 is considered dangerous with a threat level of 10/10. It has been reported 29 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 187.28.1.110?

IP address 187.28.1.110 is operated by CLARO S.A. (ASN 4230) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 187.28.1.110?

Yes, blocking 187.28.1.110 is strongly recommended. With a threat level of 10/10 and 29 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 187.28.1.110?

Our threat assessment for 187.28.1.110 has a confidence score of 84%, based on 29 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

187.28.1.110

IPv4 Public

AS4230

CLARO S.A.

29 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

CLARO S.A. ASN 4230

29 Reports

Honeypot Data Source

Extreme Threat

IP 187.28.1.110 classified at threat level 10/10 with 29 documented attacks.

Advanced threat indicators confirmed with 84% certainty.

More threatening than 99% of monitored IPs

Threat Categories

Hacking 28

SSH 27

Exploited Host 2

Brute-Force 1

Technical Details

General hacking activity includes various intrusion attempts, exploitation of vulnerabilities, and unauthorized access attempts.

Recommended Mitigations

Keep systems patched, implement intrusion detection, and follow security best practices.

Behavioral Analysis

Activity Pattern: Sporadic

Irregular burst activity pattern indicates intermittent use of a compromised system.

First Observed 10. September 2026

Last Activity 16. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 4230) with generally good reputation. The ISP CLARO 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.

Implement adaptive blocking rules.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 3/10 Low

Confidence Score 83% Verified

Confidence History

10. Sep 2026 - 16. Sep 2026

84% Current

Stable Trend

Date	Categories	Source	Confidence
16. Sep 2026	Brute-Force SSH	Honeypot	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking Exploited Host	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	SSH Hacking	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Exploited Host Hacking	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%

Basic Information

IP Address: 187.28.1.110
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS4230
ISP: CLARO S.A.

DNS Information

Reverse DNS: None
PTR Record: No
Connection Type: Static

Statistics

Total Reports: 29
First Reported: 10 Sep 2026
Last Reported: 16 Sep 2026, 18:02

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: AS4230

Organization: CLARO S.A.

Country:

Network Threat Assessment

2/10

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

Network Statistics

Total IPs Monitored

414

Total Reports

12.2

Reports per IP

Network Context

This IP address belongs to CLARO S.A. (AS4230), which manages 34 IP addresses in our monitoring system. Out of these, 414 have been reported for suspicious activities, resulting in a network-wide threat level of 2/10.

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

99 %

Global Threat Ranking

This IP is more threatening than 99% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 832,391 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 29 avg: 9 ++

Network Comparison

Compared against 126 IPs in ASN 4230

Threat Level 10/10 network avg: 6.4 ++

Total Reports 29 network avg: 5 ++

Network CLARO S.A. has overall threat level 2/10

Geographic Comparison

Compared against 111,821 IPs in BR

Threat Level 10/10 country avg: 5.4 ++

Total Reports 29 country avg: 3 ++

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

Peak Day 11 Sep 2026 15 reports

Daily Average 1 reports/day

Most Active Friday 15 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

Hacking 28

SSH 27

Exploited Host 2

Brute-Force 1

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

Hourly Activity

Peak activity at 10:00 with 4 reports

Weekly Activity

Geographic Threat Distribution

756,711 threat incidents tracked globally • Last 24h: 29,326 Logs

FEED

Top Threat Sources

01

United States US

148,093 19.6%
02

Brazil BR THIS IP

111,821 14.8%
03

India IN

87,156 11.5%
04

China CN

46,051 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,360 2.4%
07

Netherlands NL

17,975 2.4%
08

Pakistan PK

17,801 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

7/10 Avg Threat

30% Avg Confidence

14 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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