Is IP address 187.72.159.169 dangerous?

187.72.159.169 presents moderate risk with a threat level of 6/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 187.72.159.169?

IP address 187.72.159.169 is operated by ALGAR TELECOM SA (ASN 16735) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 187.72.159.169?

Blocking 187.72.159.169 is advisable for security-sensitive environments. With a threat level of 6/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 187.72.159.169?

Our threat assessment for 187.72.159.169 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

187.72.159.169

IPv4 Public

AS16735

ALGAR TELECOM SA

1 Reports

Brazil Location

ALGAR TELECOM SA ASN 16735

1 Reports

Community Data Source

Measured Risk

IP 187.72.159.169 threat rating: 6/10 from 1 observations.

Attention-worthy behavior detected. Confidence: 23%.

More threatening than 51% of monitored IPs

Threat Categories

Brute-Force 1

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 16735) with generally good reputation. The ISP ALGAR TELECOM SA maintains standard security practices.

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

Security Recommendations

Standard security protocols sufficient. Monitor but no immediate blocking required.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 2/10 Very Low

Confidence Score 4% Low Confidence

Date	Categories	Source	Confidence
21. May 2026	Brute-Force	Community	75%

Basic Information

IP Address: 187.72.159.169
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS16735
ISP: ALGAR TELECOM SA

DNS Information

Reverse DNS: 187-072-159-169.static.ctbctelecom.com.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 1
First Reported: 21 May 2026
Last Reported: 21 May 2026, 16:07

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: AS16735

Organization: ALGAR TELECOM SA

Country:

Network Threat Assessment

1/10

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

Network Statistics

Total IPs Monitored

789

Total Reports

14.9

Reports per IP

Network Context

This IP address belongs to ALGAR TELECOM SA (AS16735), which manages 53 IP addresses in our monitoring system. Out of these, 789 have been reported for suspicious activities, resulting in a network-wide threat level of 1/10.

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

51 %

Global Threat Ranking

This IP is more threatening than 51% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 767,859 reported IPs worldwide

Threat Level 6/10 avg: 5.8 =

Total Reports 1 avg: 9 --

Network Comparison

Compared against 419 IPs in ASN 16735

Threat Level 6/10 network avg: 5.6 =

Total Reports 1 network avg: 3 --

Network ALGAR TELECOM SA has overall threat level 1/10

Geographic Comparison

Compared against 109,431 IPs in BR

Threat Level 6/10 country avg: 5.2 =

Total Reports 1 country avg: 3 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Thursday 1 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 1

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

Hourly Activity

Peak activity at 16:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

698,370 threat incidents tracked globally • Last 24h: 23,162 Logs

FEED

Top Threat Sources

01

United States US

134,954 19.3%
02

Brazil BR THIS IP

109,430 15.7%
03

India IN

75,806 10.9%
04

China CN

43,125 6.2%
05

SC SC

29,184 4.2%
06

Netherlands NL

16,474 2.4%
07

Argentina AR

16,068 2.3%
08

Germany DE

15,825 2.3%
09

Pakistan PK

15,214 2.2%
10

Colombia CO

15,077 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.6/10 Avg Threat

81% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Measured Risk

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