Is IP address 187.87.173.5 dangerous?

Yes, 187.87.173.5 is considered dangerous with a threat level of 8/10. It has been reported 3 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 187.87.173.5?

IP address 187.87.173.5 is operated by INTERPIRA INTERNET SERVICE PROVIDER LTDA (ASN 53076) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 187.87.173.5?

Yes, blocking 187.87.173.5 is strongly recommended. With a threat level of 8/10 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 187.87.173.5?

Our threat assessment for 187.87.173.5 has a confidence score of 45%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

187.87.173.5

IPv4 Public

AS53076

INTERPIRA INTERNET SERVICE PROVIDER LTDA

3 Reports

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Brazil Location

INTERPIRA INTERNET SERVIC... ASN 53076

3 Reports

Mixed Data Source

Notable Threat

IP 187.87.173.5 rated 8/10 from 3 verified reports.

Multiple security incidents attributed to this IP. Confidence: 45%.

More threatening than 89% of monitored IPs

Threat Categories

SSH 2

Brute-Force 1

Hacking 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 2 weeks indicates persistent threat actor operations.

First Observed 10. September 2026

Last Activity 27. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 53076) with generally good reputation. The ISP INTERPIRA INTERNET SERVICE PROVIDER LTDA maintains standard security practices.

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

Security Recommendations

Implement appropriate security controls.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 45% Medium Confidence

Confidence History

10. Sep 2026 - 27. Sep 2026

45% Current

Stable Trend

Date	Categories	Source	Confidence
27. Sep 2026	SSH Brute-Force	Community	75%
26. Sep 2026	SSH	Honeypot	75%
10. Sep 2026	Hacking	Honeypot	75%

Basic Information

IP Address: 187.87.173.5
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS53076
ISP: INTERPIRA INTERNET SERVICE PROVIDER LTDA

DNS Information

Reverse DNS: 187-87-173-5.hdnettelecom.com.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 3
First Reported: 10 Sep 2026
Last Reported: 27 Sep 2026, 01:43

Comparative Analysis

How this IP compares to others in our threat intelligence database

89 %

Global Threat Ranking

This IP is more threatening than 89% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 832,391 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 3 avg: 9 --

Network Comparison

Compared against 499 IPs in ASN 53076

Threat Level 8/10 network avg: 7.0 =

Total Reports 3 network avg: 1 ++

Geographic Comparison

Compared against 111,821 IPs in BR

Threat Level 8/10 country avg: 5.4 +

Total Reports 3 country avg: 3 =

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

Peak Day 10 Sep 2026 1 reports

Daily Average 0.1 reports/day

Most Active Sunday 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

SSH 2

Hacking 1

Brute-Force 1

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

Hourly Activity

Peak activity at 01:00 with 1 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

6.6/10 Avg Threat

9% Avg Confidence

12 High Threat

High-risk network: Majority of related IPs are flagged

Notable 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

Analyzed high-risk IP addresses