Is IP address 187.16.4.238 dangerous?

Yes, 187.16.4.238 is considered dangerous with a threat level of 8/10. It has been reported 10 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 187.16.4.238?

IP address 187.16.4.238 is operated by Sustenta Telecom Ltda (ASN 263162) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 187.16.4.238?

Yes, blocking 187.16.4.238 is strongly recommended. With a threat level of 8/10 and 10 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 187.16.4.238?

Our threat assessment for 187.16.4.238 has a confidence score of 67%, based on 10 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

187.16.4.238

IPv4 Public

AS263162

Sustenta Telecom Ltda

10 Reports

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Brazil Location

Sustenta Telecom Ltda ASN 263162

10 Reports

Honeypot Data Source

Significant Threat

IP 187.16.4.238 identified as significant threat (8/10) from 10 events.

Multiple malicious indicators detected. Confidence level: 67%.

More threatening than 90% of monitored IPs

Threat Categories

SSH 10

Brute-Force 1

Technical Details

SSH attacks attempt to gain server access through password guessing or exploitation of SSH vulnerabilities.

Recommended Mitigations

Use key-based authentication, change default ports, implement fail2ban, and disable root login.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 5 days indicates persistent threat actor operations.

First Observed 20. September 2026

Last Activity 25. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 263162) with generally good reputation. The ISP Sustenta Telecom 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.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 67% High Confidence

Confidence History

5. Sep 2026 - 25. Sep 2026

67% Current

Stable Trend

Date	Categories	Source	Confidence
25. Sep 2026	SSH Brute-Force	Honeypot	75%
23. Sep 2026	SSH	Honeypot	75%
23. Sep 2026	SSH	Honeypot	75%
23. Sep 2026	SSH	Honeypot	75%
20. Sep 2026	SSH	Honeypot	75%
20. Sep 2026	SSH	Honeypot	75%
14. Sep 2026	SSH	Honeypot	75%
10. Sep 2026	SSH	Honeypot	75%
5. Sep 2026	SSH	Honeypot	75%
5. Sep 2026	SSH	Honeypot	75%

Basic Information

IP Address: 187.16.4.238
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS263162
ISP: Sustenta Telecom Ltda

DNS Information

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

Statistics

Total Reports: 10
First Reported: 5 Sep 2026
Last Reported: 25 Sep 2026, 07:35

Comparative Analysis

How this IP compares to others in our threat intelligence database

90 %

Global Threat Ranking

This IP is more threatening than 90% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,006,910 reported IPs worldwide

Threat Level 8/10 avg: 6.2 +

Total Reports 10 avg: 8 +

Network Comparison

Compared against 2 IPs in ASN 263162

Threat Level 8/10 network avg: 6.5 +

Total Reports 10 network avg: 6 ++

Geographic Comparison

Compared against 158,735 IPs in BR

Threat Level 8/10 country avg: 5.3 ++

Total Reports 10 country avg: 2 ++

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

Peak Day 23 Sep 2026 3 reports

Daily Average 0.2 reports/day

Most Active Wednesday 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

SSH 10

Brute-Force 1

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

Hourly Activity

Peak activity at 22:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

918,368 threat incidents tracked globally • Last 24h: 213,833 Logs

FEED

Top Threat Sources

01

United States US

181,101 19.7%
02

Brazil BR THIS IP

158,735 17.3%
03

India IN

94,423 10.3%
04

China CN

47,784 5.2%
05

SC SC

29,341 3.2%
06

Argentina AR

24,803 2.7%
07

Germany DE

20,064 2.2%
08

Pakistan PK

19,401 2.1%
09

Netherlands NL

18,834 2.1%
10

Colombia CO

18,349 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

Significant Threat

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

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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