Is IP address 191.210.133.134 dangerous?

Yes, 191.210.133.134 is considered dangerous with a threat level of 7/10. It has been reported 8 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 191.210.133.134?

IP address 191.210.133.134 is operated by TELEFONICA BRASIL S.A (ASN 26599) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 191.210.133.134?

Yes, blocking 191.210.133.134 is strongly recommended. With a threat level of 7/10 and 8 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 191.210.133.134?

Our threat assessment for 191.210.133.134 has a confidence score of 41%, based on 8 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

191.210.133.134

IPv4 Public

AS26599

TELEFONICA BRASIL S.A

8 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

BR Location

TELEFONICA BRASIL S.A ASN 26599

8 Reports

Mixed Data Source

Substantial Risk

Threat level 7/10 for 191.210.133.134 based on 8 documented incidents.

Consistent suspicious behavior patterns. 41% confidence rating.

More threatening than 88% of monitored IPs

Threat Categories

Brute-Force 7

Email Spam 4

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 3 days indicates persistent threat actor operations.

First Observed 22. October 2026

Last Activity 25. October 2026

Recent (7 days) 3 incidents

Moderate Network Risk

The network hosting this IP (ASN 26599, operated by TELEFONICA BRASIL S.A) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Configure firewall rules and intrusion detection alerts.

Long-term blocking recommended.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 1/10 Very Low

Confidence Score 41% Medium Confidence

Confidence History

13. May 2026 - 25. Oct 2026

41% Current

Stable Trend

Date	Categories	Source	Confidence
25. Oct 2026	Email Spam Brute-Force	Community	75%
24. Oct 2026	Email Spam Brute-Force	Community	75%
22. Oct 2026	Email Spam Brute-Force	Community	75%
25. May 2026	Brute-Force	Community	75%
24. May 2026	Brute-Force	Community	75%
16. May 2026	Brute-Force	Community	75%
14. May 2026	Email Spam	Honeypot	75%
13. May 2026	Brute-Force	Honeypot	75%

Basic Information

IP Address: 191.210.133.134
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS26599
ISP: TELEFONICA BRASIL S.A

DNS Information

Reverse DNS: 191-210-133-134.user.vivozap.com.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 8
First Reported: 13 May 2026
Last Reported: 25 Oct 2026, 03:47

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: AS26599

Organization: TELEFONICA BRASIL S.A

Country:

Network Threat Assessment

5/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

101

Total IPs Monitored

316

Total Reports

3.1

Reports per IP

Network Context

This IP address belongs to TELEFONICA BRASIL S.A (AS26599), which manages 101 IP addresses in our monitoring system. Out of these, 316 have been reported for suspicious activities, resulting in a network-wide threat level of 5/10.

Network notice: This network shows some suspicious activity patterns. Monitor interactions with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

88 %

Global Threat Ranking

This IP is more threatening than 88% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 1,256,447 reported IPs worldwide

Threat Level 7/10 avg: 6.0 +

Total Reports 8 avg: 7 +

Network Comparison

Compared against 8,937 IPs in ASN 26599

Threat Level 7/10 network avg: 5.1 +

Total Reports 8 network avg: 1 ++

Network TELEFONICA BRASIL S.A has overall threat level 5/10

Geographic Comparison

Compared against 257,313 IPs in BR

Threat Level 7/10 country avg: 5.2 +

Total Reports 8 country avg: 2 ++

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

Peak Day 22 Oct 2026 1 reports

Daily Average 0.1 reports/day

Most Active Sunday 2 reports

Evolution of threat level over time based on reported categories and frequency.

Initial Threat 6/10

Current Threat 4/10

Distribution of threat categories reported over time.

Top Threat Categories

Brute-Force 7

Email Spam 4

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

Hourly Activity

Peak activity at 14:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

1,145,305 threat incidents tracked globally • Last 24h: 30,809 Logs

FEED

Top Threat Sources

01

Brazil BR THIS IP

257,313 22.5%
02

United States US

194,337 17%
03

India IN

98,366 8.6%
04

China CN

48,651 4.2%
05

Argentina AR

41,588 3.6%
06

SC SC

29,362 2.6%
07

Mexico MX

27,073 2.4%
08

Russia RU

25,878 2.3%
09

Colombia CO

23,913 2.1%
10

Germany DE

21,474 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.6/10 Avg Threat

60% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Moderate Network Risk

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

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