Is IP address 201.71.51.168 dangerous?

Yes, 201.71.51.168 is considered dangerous with a threat level of 7/10. It has been reported 2 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 201.71.51.168?

IP address 201.71.51.168 is operated by RGSul Internet Eireli (ASN 270777) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 201.71.51.168?

Yes, blocking 201.71.51.168 is strongly recommended. With a threat level of 7/10 and 2 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 201.71.51.168?

Our threat assessment for 201.71.51.168 has a confidence score of 27%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

201.71.51.168

IPv4 Public

AS270777

RGSul Internet Eireli

2 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

RGSul Internet Eireli ASN 270777

2 Reports

Mixed Data Source

Substantial Risk

Threat level 7/10 for 201.71.51.168 based on 2 documented incidents.

Consistent suspicious behavior patterns. 27% confidence rating.

More threatening than 85% of monitored IPs

Threat Categories

Brute-Force 2

Web App Attack 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.

Behavioral Analysis

Activity Pattern: Consistent Activity

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

First Observed 25. September 2026

Last Activity 30. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 270777) with generally good reputation. The ISP RGSul Internet Eireli maintains standard security practices.

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

Security Recommendations

Configure firewall rules and intrusion detection alerts.

Long-term blocking recommended.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 27% Medium Confidence

Confidence History

25. Sep 2026 - 30. Sep 2026

27% Current

Stable Trend

Date	Categories	Source	Confidence
30. Sep 2026	Brute-Force	Community	75%
25. Sep 2026	Brute-Force Web App Attack	Honeypot	75%

Basic Information

IP Address: 201.71.51.168
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class C

Geolocation

Country: BR
ASN: AS270777
ISP: RGSul Internet Eireli

DNS Information

Reverse DNS: 201-71-51-168.rgsul.net.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 2
First Reported: 25 Sep 2026
Last Reported: 30 Sep 2026, 16:00

Comparative Analysis

How this IP compares to others in our threat intelligence database

85 %

Global Threat Ranking

This IP is more threatening than 85% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 1,027,138 reported IPs worldwide

Threat Level 7/10 avg: 6.2 =

Total Reports 2 avg: 8 --

Network Comparison

Compared against 32 IPs in ASN 270777

Threat Level 7/10 network avg: 5.1 +

Total Reports 2 network avg: 1 ++

Geographic Comparison

Compared against 165,469 IPs in BR

Threat Level 7/10 country avg: 5.3 +

Total Reports 2 country avg: 2 =

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

Peak Day 25 Sep 2026 1 reports

Daily Average 0.1 reports/day

Most Active Wednesday 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 2

Web App Attack 1

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

Hourly Activity

Peak activity at 11:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

935,663 threat incidents tracked globally • Last 24h: 202,433 Logs

FEED

Top Threat Sources

01

United States US

182,886 19.5%
02

Brazil BR THIS IP

165,469 17.7%
03

India IN

94,505 10.1%
04

China CN

47,806 5.1%
05

SC SC

29,342 3.1%
06

Argentina AR

26,022 2.8%
07

Germany DE

20,139 2.2%
08

Pakistan PK

19,444 2.1%
09

Netherlands NL

18,848 2%
10

Colombia CO

18,715 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

Substantial Risk

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