Is IP address 45.236.123.164 dangerous?

Yes, 45.236.123.164 is considered dangerous with a threat level of 7/10. It has been reported 1 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 45.236.123.164?

IP address 45.236.123.164 is operated by CSTELECOM SERVICOS LTDA (ASN 268317) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 45.236.123.164?

Yes, blocking 45.236.123.164 is strongly recommended. With a threat level of 7/10 and 1 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 45.236.123.164?

Our threat assessment for 45.236.123.164 has a confidence score of 11%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.236.123.164

IPv4 Public

AS268317

CSTELECOM SERVICOS LTDA

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

CSTELECOM SERVICOS LTDA ASN 268317

1 Reports

Honeypot Data Source

Notable Threat

IP 45.236.123.164 rated 7/10 from 1 verified reports.

Multiple security incidents attributed to this IP. Confidence: 11%.

More threatening than 77% 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.

Reputable Network

This IP is hosted on a network (ASN 268317) with generally good reputation. The ISP CSTELECOM SERVICOS LTDA maintains standard security practices.

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

Security Recommendations

Implement appropriate security controls.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 6% Low Confidence

Date	Categories	Source	Confidence
15. Aug 2026	Brute-Force Web App Attack	Honeypot	75%

Basic Information

IP Address: 45.236.123.164
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: BR
ASN: AS268317
ISP: CSTELECOM SERVICOS LTDA

DNS Information

Reverse DNS: 45-236-122-164.cstelecomprovedor.com.br
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 1
First Reported: 15 Aug 2026
Last Reported: 15 Aug 2026, 16:10

Comparative Analysis

How this IP compares to others in our threat intelligence database

77 %

Global Threat Ranking

This IP is more threatening than 77% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 991,677 reported IPs worldwide

Threat Level 7/10 avg: 6.2 =

Total Reports 1 avg: 8 --

Network Comparison

Compared against 22 IPs in ASN 268317

Threat Level 7/10 network avg: 5.5 +

Total Reports 1 network avg: 1 -

Geographic Comparison

Compared against 152,594 IPs in BR

Threat Level 7/10 country avg: 5.3 +

Total Reports 1 country avg: 2 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Saturday 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 16:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

902,952 threat incidents tracked globally • Last 24h: 218,476 Logs

FEED

Top Threat Sources

01

United States US

179,262 19.9%
02

Brazil BR THIS IP

152,594 16.9%
03

India IN

94,215 10.4%
04

China CN

47,752 5.3%
05

SC SC

29,341 3.2%
06

Argentina AR

23,731 2.6%
07

Germany DE

19,981 2.2%
08

Pakistan PK

19,362 2.1%
09

Netherlands NL

18,796 2.1%
10

Colombia CO

18,029 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

5.4/10 Avg Threat

21% Avg Confidence

1 High Threat

Notable Threat

Threat Categories

Technical Details

Recommended Mitigations

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

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