Is IP address 45.156.129.194 dangerous?

Yes, 45.156.129.194 is considered dangerous with a threat level of 8/10. It has been reported 19 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 45.156.129.194?

IP address 45.156.129.194 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 45.156.129.194?

Yes, blocking 45.156.129.194 is strongly recommended. With a threat level of 8/10 and 19 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 45.156.129.194?

Our threat assessment for 45.156.129.194 has a confidence score of 57%, based on 19 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.156.129.194

IPv4 Public

AS211680

Sistemas Informaticos, S.A.

19 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

Sistemas Informaticos, S.... ASN 211680

19 Reports

Mixed Data Source

Notable Threat

IP 45.156.129.194 rated 8/10 from 19 verified reports.

Multiple security incidents attributed to this IP. Confidence: 57%.

More threatening than 92% of monitored IPs

Threat Categories

Hacking 9

Port Scan 4

WP Plugin Exploit 3

WP Plugin Scanning 3

Web App Attack 3

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.

Behavioral Analysis

Activity Pattern: Consistent Activity

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

First Observed 13. October 2026

Last Activity 15. 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

Implement appropriate security controls.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 57% High Confidence

Confidence History

18. Mar 2026 - 15. Oct 2026

57% Current

Stable Trend

Date	Categories	Source	Confidence
15. Oct 2026	WP Plugin Exploit WP Plugin Scanning	Honeypot	75%
15. Oct 2026	WP Plugin Exploit WP Plugin Scanning	Community x2	75%
13. Oct 2026	Port Scan	Honeypot	75%
14. Aug 2026	Hacking	Honeypot	75%
8. Aug 2026	WP Plugin Exploit WP Plugin Scanning	Community	75%
4. Aug 2026	Web App Attack	Honeypot	75%
1. Aug 2026	Port Scan	Honeypot	75%
11. Jul 2026	Port Scan	Honeypot	75%
7. Jul 2026	Hacking	Honeypot	75%
19. Jun 2026	Hacking	Honeypot	75%
16. Jun 2026	Hacking	Honeypot	75%
2. May 2026	Port Scan	Honeypot	75%
27. Apr 2026	Hacking	Honeypot	75%
26. Apr 2026	Hacking	Honeypot	75%
23. Apr 2026	Hacking	Honeypot	75%
18. Apr 2026	Hacking	Honeypot	75%
2. Apr 2026	Web App Attack	Honeypot	75%
29. Mar 2026	Hacking	Honeypot	75%
18. Mar 2026	Web App Attack	Honeypot	75%

Basic Information

IP Address: 45.156.129.194
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-gd17-wk102c.internet-census.org
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 19
First Reported: 18 Mar 2026
Last Reported: 15 Oct 2026, 20:48

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

92 %

Global Threat Ranking

This IP is more threatening than 92% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,323,524 reported IPs worldwide

Threat Level 8/10 avg: 6.0 +

Total Reports 19 avg: 7 ++

Network Comparison

Compared against 316 IPs in ASN 211680

Threat Level 8/10 network avg: 8.9 =

Total Reports 19 network avg: 42 --

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

Geographic Comparison

Compared against 8,533 IPs in PT

Threat Level 8/10 country avg: 5.5 +

Total Reports 19 country avg: 4 ++

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

Peak Day 15 Oct 2026 2 reports

Daily Average 0.1 reports/day

Most Active Saturday 5 reports

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

Initial Threat 6/10

Current Threat 5/10

Distribution of threat categories reported over time.

Top Threat Categories

Hacking 9

Port Scan 4

Web App Attack 3

WP Plugin Exploit 3

WP Plugin Scanning 3

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

Hourly Activity

Peak activity at 01:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

1,206,331 threat incidents tracked globally • Last 24h: 36,860 Logs

FEED

Top Threat Sources

01

Brazil BR

260,926 21.6%
02

United States US

206,086 17.1%
03

India IN

103,426 8.6%
04

China CN

50,704 4.2%
05

Argentina AR

42,388 3.5%
06

SC SC

29,442 2.4%
07

Mexico MX

27,892 2.3%
08

Russia RU

26,943 2.2%
09

Colombia CO

24,263 2%
10

Germany DE

24,222 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.9/10 Avg Threat

81% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Notable Threat

Threat Categories

Technical Details

Recommended Mitigations

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

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