Is IP address 191.37.225.243 dangerous?

191.37.225.243 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 191.37.225.243?

IP address 191.37.225.243 is operated by YZO TELECOM TECNOLOGIA EIRELI - ME (ASN 263374) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 191.37.225.243?

Blocking 191.37.225.243 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 191.37.225.243?

Our threat assessment for 191.37.225.243 has a confidence score of 19%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

191.37.225.243

IPv4 Public

AS263374

YZO TELECOM TECNOLOGIA EIRELI - ME

1 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

YZO TELECOM TECNOLOGIA EI... ASN 263374

1 Reports

Community Data Source

Intermediate Threat

Threat level 6/10 for 191.37.225.243 from 1 reports.

Concerning behaviors alongside normal activity. 19% confidence.

More threatening than 51% of monitored IPs

Threat Categories

Brute-Force 1

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 less than a day indicates persistent threat actor operations.

First Observed 20. October 2026

Last Activity 20. October 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 263374) with generally good reputation. The ISP YZO TELECOM TECNOLOGIA EIRELI - ME maintains standard security practices.

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

Security Recommendations

Monitor for behavior pattern changes indicating escalation.

Long-term blocking recommended.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 1/10 Very Low

Confidence Score 13% Low Confidence

Date	Categories	Source	Confidence
20. Oct 2026	Brute-Force Web App Attack	Community x2	75%

Basic Information

IP Address: 191.37.225.243
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS263374
ISP: YZO TELECOM TECNOLOGIA EIRELI - ME

DNS Information

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

Statistics

Total Reports: 1
First Reported: 26 Oct 2026
Last Reported: 20 Oct 2026, 12:58

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 1,326,491 reported IPs worldwide

Threat Level 6/10 avg: 6.0 =

Total Reports 1 avg: 7 --

Network Comparison

Compared against 45 IPs in ASN 263374

Threat Level 6/10 network avg: 5.1 +

Total Reports 1 network avg: 1 =

Geographic Comparison

Compared against 261,016 IPs in BR

Threat Level 6/10 country avg: 5.2 =

Total Reports 1 country avg: 2 -

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

Peak Day 20 Oct 2026 1 reports

Daily Average 0 reports/day

Most Active Tuesday 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

Web App Attack 1

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

Hourly Activity

Peak activity at 12:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,209,135 threat incidents tracked globally • Last 24h: 33,616 Logs

FEED

Top Threat Sources

01

Brazil BR THIS IP

261,016 21.6%
02

United States US

206,716 17.1%
03

India IN

103,480 8.6%
04

China CN

50,912 4.2%
05

Argentina AR

42,401 3.5%
06

SC SC

29,446 2.4%
07

Mexico MX

27,910 2.3%
08

Russia RU

26,972 2.2%
09

Germany DE

24,345 2%
10

Colombia CO

24,266 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

5.1/10 Avg Threat

24% Avg Confidence

1 High Threat

Intermediate 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