Is IP address 45.156.129.134 dangerous?

Yes, 45.156.129.134 is considered dangerous with a threat level of 8/10. It has been reported 23 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 45.156.129.134?

IP address 45.156.129.134 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 45.156.129.134?

Yes, blocking 45.156.129.134 is strongly recommended. With a threat level of 8/10 and 23 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 45.156.129.134?

Our threat assessment for 45.156.129.134 has a confidence score of 70%, based on 23 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.156.129.134

IPv4 Public

AS211680

Sistemas Informaticos, S.A.

23 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

23 Reports

Mixed Data Source

Notable Threat

IP 45.156.129.134 rated 8/10 from 23 verified reports.

Multiple security incidents attributed to this IP. Confidence: 70%.

More threatening than 92% of monitored IPs

Threat Categories

Hacking 13

Web App Attack 5

DDoS Attack 3

WP Cron Abuse 3

Bad Web Bot 1

WP Plugin Exploit 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.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 3 weeks indicates persistent threat actor operations.

First Observed 17. October 2026

Last Activity 10. November 2026

Recent (7 days) 1 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 2/10 Very Low

Confidence Score 70% High Confidence

Confidence History

12. Sep 2025 - 10. Nov 2026

70% Current

Stable Trend

Date	Categories	Source	Confidence
10. Nov 2026 New	Hacking	Honeypot	75%
17. Oct 2026	Web App Attack	Honeypot	75%
17. Oct 2026	Bad Web Bot Web App Attack	Community	75%
20. Sep 2026	Hacking	Honeypot	75%
15. Sep 2026	WP Plugin Exploit WP Plugin Scanning	Honeypot	75%
3. Sep 2026	Hacking	Honeypot	75%
29. Jul 2026	Hacking	Honeypot	75%
17. Jul 2026	Hacking	Honeypot	75%
17. Jul 2026	Exploited Host	Honeypot	75%
11. Jul 2026	Web App Attack	Honeypot	75%
30. Jun 2026	Hacking	Honeypot	75%
19. Jun 2026	Web App Attack	Honeypot	75%
30. May 2026	Hacking	Honeypot	75%
11. Apr 2026	Hacking	Honeypot	75%
7. Apr 2026	Hacking	Honeypot	75%
12. Mar 2026	Hacking	Honeypot	75%
11. Mar 2026	Hacking	Honeypot	75%
7. Mar 2026	Hacking	Honeypot	75%
19. Feb 2026	WP Cron Abuse DDoS Attack	Community	75%
19. Feb 2026	WP Cron Abuse DDoS Attack	Community	75%
3. Feb 2026	WP Cron Abuse DDoS Attack	Community	75%
23. Jan 2026	Hacking	Honeypot	75%
12. Sep 2025	Web App Attack	Honeypot	75%

Basic Information

IP Address: 45.156.129.134
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-gd15-wk103b.internet-census.org
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 23
First Reported: 12 Sep 2025
Last Reported: 10 Nov 2026, 02:41

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 1,341,555 reported IPs worldwide

Threat Level 8/10 avg: 6.0 +

Total Reports 23 avg: 7 ++

Network Comparison

Compared against 322 IPs in ASN 211680

Threat Level 8/10 network avg: 8.8 =

Total Reports 23 network avg: 43 -

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

Geographic Comparison

Compared against 8,571 IPs in PT

Threat Level 8/10 country avg: 5.5 +

Total Reports 23 country avg: 5 ++

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

Peak Day 17 Oct 2026 2 reports

Daily Average 0.1 reports/day

Most Active Saturday 6 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 13

Web App Attack 5

WP Cron Abuse 3

DDoS Attack 3

Exploited Host 1

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

Hourly Activity

Peak activity at 02:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

1,222,894 threat incidents tracked globally • Last 24h: 26,678 Logs

FEED

Top Threat Sources

01

Brazil BR

261,436 21.4%
02

United States US

210,837 17.2%
03

India IN

103,807 8.5%
04

China CN

51,718 4.2%
05

Argentina AR

42,492 3.5%
06

SC SC

29,469 2.4%
07

Mexico MX

28,016 2.3%
08

Russia RU

27,224 2.2%
09

Germany DE

25,150 2.1%
10

Colombia CO

24,307 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.3/10 Avg Threat

84% 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

Analyzed high-risk IP addresses