Is IP address 45.191.28.51 dangerous?

Yes, 45.191.28.51 is considered dangerous with a threat level of 10/10. It has been reported 9 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 45.191.28.51?

IP address 45.191.28.51 is operated by NAZASEG TELECOM (ASN 269668) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 45.191.28.51?

Yes, blocking 45.191.28.51 is strongly recommended. With a threat level of 10/10 and 9 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 45.191.28.51?

Our threat assessment for 45.191.28.51 has a confidence score of 75%, based on 9 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.191.28.51

IPv4 Public

AS269668

NAZASEG TELECOM

9 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

NAZASEG TELECOM ASN 269668

9 Reports

Mixed Data Source

Critical Alert

Security alert: 45.191.28.51 rated 10/10 based on 9 verified incidents.

Threat profile indicates sustained malicious activity with 75% confidence rating.

More threatening than 99% of monitored IPs

Threat Categories

SSH 8

Brute-Force 5

Hacking 3

Exploited Host 2

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 1 week indicates persistent threat actor operations.

First Observed 19. October 2026

Last Activity 29. October 2026

Recent (7 days) 8 incidents

Reputable Network

This IP is hosted on a network (ASN 269668) with generally good reputation. The ISP NAZASEG TELECOM maintains standard security practices.

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

Security Recommendations

Implement immediate countermeasures. Well-resourced threat actor identified.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 6/10 Moderate

Confidence Score 75% High Confidence

Confidence History

19. Oct 2026 - 29. Oct 2026

75% Current

Stable Trend

Date	Categories	Source	Confidence
29. Oct 2026 New	SSH Brute-Force	Community	75%
27. Oct 2026	Exploited Host	Honeypot	75%
27. Oct 2026	Hacking SSH	Honeypot x2	75%
26. Oct 2026	SSH Brute-Force	Community	75%
25. Oct 2026	Exploited Host Hacking SSH	Honeypot x3	75%
25. Oct 2026	SSH Hacking	Honeypot x2	75%
24. Oct 2026	SSH Brute-Force	Community	75%
23. Oct 2026	SSH Brute-Force	Community	75%
19. Oct 2026	SSH Brute-Force	Community	75%

Basic Information

IP Address: 45.191.28.51
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: BR
ASN: AS269668
ISP: NAZASEG TELECOM

DNS Information

Reverse DNS: 45-191-28-51.nazaseg.net.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 9
First Reported: 26 Oct 2026
Last Reported: 29 Oct 2026, 12:22

Comparative Analysis

How this IP compares to others in our threat intelligence database

99 %

Global Threat Ranking

This IP is more threatening than 99% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,293,346 reported IPs worldwide

Threat Level 10/10 avg: 6.0 ++

Total Reports 9 avg: 7 +

Network Comparison

Compared against 14 IPs in ASN 269668

Threat Level 10/10 network avg: 5.4 ++

Total Reports 9 network avg: 2 ++

Geographic Comparison

Compared against 258,647 IPs in BR

Threat Level 10/10 country avg: 5.2 ++

Total Reports 9 country avg: 2 ++

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

Peak Day 25 Oct 2026 2 reports

Daily Average 0.3 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 6/10

Distribution of threat categories reported over time.

Top Threat Categories

SSH 8

Brute-Force 5

Hacking 3

Exploited Host 2

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

Hourly Activity

Peak activity at 12:00 with 4 reports

Weekly Activity

Geographic Threat Distribution

1,178,992 threat incidents tracked globally • Last 24h: 26,851 Logs

FEED

Top Threat Sources

01

Brazil BR THIS IP

258,648 21.9%
02

United States US

200,102 17%
03

India IN

102,594 8.7%
04

China CN

49,708 4.2%
05

Argentina AR

41,952 3.6%
06

SC SC

29,413 2.5%
07

Mexico MX

27,456 2.3%
08

Russia RU

26,521 2.2%
09

Colombia CO

24,033 2%
10

Germany DE

22,923 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

Critical Alert

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