Is IP address 45.156.131.23 dangerous?

Yes, 45.156.131.23 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 45.156.131.23?

IP address 45.156.131.23 is operated by ZEN-ECN (ASN 21859) and is geolocated to PT. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 45.156.131.23?

Yes, blocking 45.156.131.23 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 45.156.131.23?

Our threat assessment for 45.156.131.23 has a confidence score of 17%, based on 9 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.156.131.23

IPv4 Public

AS21859

ZEN-ECN

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

PT Location

ZEN-ECN ASN 21859

9 Reports

Mixed Data Source

Extreme Threat

IP 45.156.131.23 classified at threat level 10/10 with 9 documented attacks.

Advanced threat indicators confirmed with 17% certainty.

More threatening than 95% of monitored IPs

Threat Categories

Hacking 6

Web App Attack 2

DDoS Attack 1

WP Cron Abuse 1

Technical Details

General hacking activity includes various intrusion attempts, exploitation of vulnerabilities, and unauthorized access attempts.

Recommended Mitigations

Keep systems patched, implement intrusion detection, and follow security best practices.

Reputable Network

This IP is hosted on a network (ASN 21859) with generally good reputation. The ISP ZEN-ECN maintains standard security practices.

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

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 0/10 Inactive

Confidence Score 9% Low Confidence

Confidence History

29. Sep 2025 - 27. Jul 2026

17% Current

Stable Trend

Date	Categories	Source	Confidence
27. Jul 2026	Hacking	Honeypot	75%
23. Apr 2026	Hacking	Honeypot	75%
23. Apr 2026	Web App Attack	Honeypot	75%
21. Mar 2026	Hacking	Honeypot	75%
20. Mar 2026	Web App Attack	Honeypot	75%
12. Mar 2026	Hacking	Honeypot	75%
10. Feb 2026	WP Cron Abuse DDoS Attack	Community	75%
29. Sep 2025	Hacking	Honeypot	75%
29. Sep 2025	Hacking	Honeypot	75%

Basic Information

IP Address: 45.156.131.23
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: PT
ASN: AS21859
ISP: ZEN-ECN

DNS Information

Reverse DNS: zl-laxd-us-gd9-wk101b.internet-census.org
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 9
First Reported: 29 Sep 2025
Last Reported: 27 Jul 2026, 19:20

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: AS21859

Organization: Zenlayer Inc

Country:

Network Threat Assessment

1/10

This network appears to be relatively clean with very low threat indicators.

Network Statistics

269

Total IPs Monitored

4,372

Total Reports

16.3

Reports per IP

Network Context

This IP address belongs to Zenlayer Inc (AS21859), which manages 269 IP addresses in our monitoring system. Out of these, 4,372 have been reported for suspicious activities, resulting in a network-wide threat level of 1/10.

Network status: This network appears to be well-maintained with low threat indicators.

Comparative Analysis

How this IP compares to others in our threat intelligence database

95 %

Global Threat Ranking

This IP is more threatening than 95% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,290,346 reported IPs worldwide

Threat Level 10/10 avg: 6.0 ++

Total Reports 9 avg: 7 +

Network Comparison

Compared against 552 IPs in ASN 21859

Threat Level 10/10 network avg: 8.0 +

Total Reports 9 network avg: 29 --

Network ZEN-ECN has overall threat level 1/10

Geographic Comparison

Compared against 8,411 IPs in PT

Threat Level 10/10 country avg: 5.5 ++

Total Reports 9 country avg: 4 ++

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Monday 3 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

Hacking 6

Web App Attack 2

WP Cron Abuse 1

DDoS Attack 1

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

Hourly Activity

Peak activity at 22:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

1,176,237 threat incidents tracked globally • Last 24h: 30,939 Logs

FEED

Top Threat Sources

01

Brazil BR

258,573 22%
02

United States US

199,362 16.9%
03

India IN

102,449 8.7%
04

China CN

49,562 4.2%
05

Argentina AR

41,943 3.6%
06

SC SC

29,411 2.5%
07

Mexico MX

27,432 2.3%
08

Russia RU

26,485 2.3%
09

Colombia CO

24,025 2%
10

Germany DE

22,757 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

10/10 Avg Threat

94% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Reputable Network

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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