Is IP address 45.156.129.174 dangerous?

Yes, 45.156.129.174 is considered dangerous with a threat level of 8/10. It has been reported 20 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 45.156.129.174?

IP address 45.156.129.174 is operated by Sistemas Informaticos, S.A. (ASN 211680) and is geolocated to PT. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 45.156.129.174?

Yes, blocking 45.156.129.174 is strongly recommended. With a threat level of 8/10 and 20 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 45.156.129.174?

Our threat assessment for 45.156.129.174 has a confidence score of 64%, based on 20 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.156.129.174

IPv4 Public

AS211680

Sistemas Informaticos, S.A.

20 Reports

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PT Location

Sistemas Informaticos, S.... ASN 211680

20 Reports

Mixed Data Source

Substantial Risk

Threat level 8/10 for 45.156.129.174 based on 20 documented incidents.

Consistent suspicious behavior patterns. 64% confidence rating.

More threatening than 89% of monitored IPs

Threat Categories

WP Version Scanning 12

WP Plugin Scanning 12

WP Config Exposure 12

Hacking 6

Port Scan 1

Exploited Host 1

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 2 weeks indicates persistent threat actor operations.

First Observed 12. September 2026

Last Activity 1. October 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 211680) with generally good reputation. The ISP Sistemas Informaticos, S.A. maintains standard security practices.

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

Security Recommendations

Configure firewall rules and intrusion detection alerts.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 64% High Confidence

Confidence History

7. Mar 2026 - 1. Oct 2026

64% Current

Stable Trend

Date	Categories	Source	Confidence
1. Oct 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
30. Sep 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
22. Sep 2026	Hacking	Honeypot	75%
17. Sep 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
12. Sep 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
8. Sep 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
26. Aug 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
25. Aug 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
25. Aug 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
20. Aug 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
17. Aug 2026	Hacking	Honeypot	75%
15. Aug 2026	Hacking	Honeypot	75%
22. Jul 2026	Port Scan	Honeypot	75%
13. Jul 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
13. Jul 2026	Hacking	Honeypot	75%
9. Jul 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
6. Jul 2026	Hacking	Honeypot	75%
12. Jun 2026	WP Plugin Scanning WP Version Scanning WP Config Exposure	Community	75%
15. Mar 2026	Hacking	Honeypot	75%
7. Mar 2026	Exploited Host	Honeypot	75%

Basic Information

IP Address: 45.156.129.174
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: PT
ASN: AS211680
ISP: Sistemas Informaticos, S.A.

DNS Information

Reverse DNS: sh-chi-us-gp6-wk133c.internet-census.org
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 20
First Reported: 7 Mar 2026
Last Reported: 1 Oct 2026, 02:24

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: AS211680

Organization: Sistemas Informaticos, S.A.

Country:

Network Threat Assessment

1/10

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

Network Statistics

249

Total IPs Monitored

3,813

Total Reports

15.3

Reports per IP

Network Context

This IP address belongs to Sistemas Informaticos, S.A. (AS211680), which manages 249 IP addresses in our monitoring system. Out of these, 3,813 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

89 %

Global Threat Ranking

This IP is more threatening than 89% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 834,037 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 20 avg: 9 ++

Network Comparison

Compared against 285 IPs in ASN 211680

Threat Level 8/10 network avg: 9.2 =

Total Reports 20 network avg: 40 -

Network Sistemas Informaticos, S.A. has overall threat level 1/10

Geographic Comparison

Compared against 4,011 IPs in PT

Threat Level 8/10 country avg: 5.8 +

Total Reports 20 country avg: 7 ++

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

Peak Day 12 Sep 2026 1 reports

Daily Average 0.2 reports/day

Most Active Monday 4 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

WP Plugin Scanning 12

WP Version Scanning 12

WP Config Exposure 12

Hacking 6

Exploited Host 1

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

Hourly Activity

Peak activity at 09:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

758,083 threat incidents tracked globally • Last 24h: 31,322 Logs

FEED

Top Threat Sources

01

United States US

148,413 19.6%
02

Brazil BR

111,905 14.8%
03

India IN

87,293 11.5%
04

China CN

46,121 6.1%
05

SC SC

29,253 3.9%
06

Germany DE

18,463 2.4%
07

Netherlands NL

18,034 2.4%
08

Pakistan PK

17,838 2.4%
09

Argentina AR

16,273 2.1%
10

Colombia CO

15,173 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.5/10 Avg Threat

84% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Substantial Risk

Threat Categories

Behavioral Analysis

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

Analyzed high-risk IP addresses