Is IP address 45.156.87.99 dangerous?

Yes, 45.156.87.99 is considered dangerous with a threat level of 8/10. It has been reported 7 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 45.156.87.99?

IP address 45.156.87.99 is operated by Pfcloud UG (haftungsbeschrankt) (ASN 51396) and is geolocated to NL. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 45.156.87.99?

Yes, blocking 45.156.87.99 is strongly recommended. With a threat level of 8/10 and 7 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 45.156.87.99?

Our threat assessment for 45.156.87.99 has a confidence score of 62%, based on 7 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

45.156.87.99

IPv4 Public

AS51396

Pfcloud UG (haftungsbeschrankt)

7 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

NL Location

Pfcloud UG (haftungsbesch... ASN 51396

7 Reports

Mixed Data Source

High Risk

IP 45.156.87.99 rated at threat level 8/10 based on 7 security reports.

Pattern analysis reveals concerning activity. Confidence: 62%.

More threatening than 89% of monitored IPs

Threat Categories

SSH 5

Hacking 4

WP Login Brute Force 1

Brute-Force 1

Exploited Host 1

Technical Details

SSH attacks attempt to gain server access through password guessing or exploitation of SSH vulnerabilities.

Recommended Mitigations

Use key-based authentication, change default ports, implement fail2ban, and disable root login.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 23. September 2026

Last Activity 23. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 51396) with generally good reputation. The ISP Pfcloud UG (haftungsbeschrankt) maintains standard security practices.

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

Security Recommendations

Monitor closely and consider blocking. Escalation potential detected.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 62% High Confidence

Confidence History

18. Feb 2026 - 23. Sep 2026

62% Current

Stable Trend

Date	Categories	Source	Confidence
23. Sep 2026	WP Login Brute Force	Honeypot	75%
23. Sep 2026	Brute-Force	Community	75%
3. May 2026	Hacking SSH	Honeypot x2	75%
2. May 2026	Hacking SSH	Honeypot x2	75%
2. May 2026	Hacking SSH Exploited Host	Honeypot x3	75%
18. Feb 2026	SSH	Honeypot x2	75%
18. Feb 2026	Hacking SSH	Honeypot x22	75%

Basic Information

IP Address: 45.156.87.99
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: NL
ASN: AS51396
ISP: Pfcloud UG (haftungsbeschrankt)

DNS Information

Reverse DNS: None
PTR Record: No
Connection Type: Static

Statistics

Total Reports: 7
First Reported: 18 Feb 2026
Last Reported: 23 Sep 2026, 15:26

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: AS51396

Organization: Pfcloud UG (haftungsbeschrankt)

Country:

Network Threat Assessment

3/10

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

Network Statistics

429

Total IPs Monitored

82,554

Total Reports

192.4

Reports per IP

Network Context

This IP address belongs to Pfcloud UG (haftungsbeschrankt) (AS51396), which manages 429 IP addresses in our monitoring system. Out of these, 82,554 have been reported for suspicious activities, resulting in a network-wide threat level of 3/10.

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 806,592 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 7 avg: 9 -

Network Comparison

Compared against 594 IPs in ASN 51396

Threat Level 8/10 network avg: 8.9 =

Total Reports 7 network avg: 246 --

Network Pfcloud UG (haftungsbeschrankt) has overall threat level 3/10

Geographic Comparison

Compared against 17,473 IPs in NL

Threat Level 8/10 country avg: 6.3 +

Total Reports 7 country avg: 30 --

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

Peak Day 23 Sep 2026 2 reports

Daily Average 0.1 reports/day

Most Active Wednesday 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

SSH 5

Hacking 4

Exploited Host 1

Brute-Force 1

WP Login Brute Force 1

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

Hourly Activity

Peak activity at 15:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

733,504 threat incidents tracked globally • Last 24h: 28,676 Logs

FEED

Top Threat Sources

01

United States US

143,262 19.5%
02

Brazil BR

110,751 15.1%
03

India IN

82,121 11.2%
04

China CN

44,763 6.1%
05

SC SC

29,233 4%
06

Germany DE

17,490 2.4%
07

Netherlands NL THIS IP

17,472 2.4%
08

Pakistan PK

16,640 2.3%
09

Argentina AR

16,189 2.2%
10

Colombia CO

15,134 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.4/10 Avg Threat

89% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

High Risk

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