Is IP address 90.181.248.227 dangerous?

Yes, 90.181.248.227 is considered dangerous with a threat level of 10/10. It has been reported 22 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 90.181.248.227?

IP address 90.181.248.227 is operated by O2 Czech Republic, a.s. (ASN 5610) and is geolocated to CZ. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 90.181.248.227?

Yes, blocking 90.181.248.227 is strongly recommended. With a threat level of 10/10 and 22 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 90.181.248.227?

Our threat assessment for 90.181.248.227 has a confidence score of 96%, based on 22 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

90.181.248.227

IPv4 Public

AS5610

O2 Czech Republic, a.s.

22 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

Czechia Location

O2 Czech Republic, a.s. ASN 5610

22 Reports

Mixed Data Source

Extreme Threat

IP 90.181.248.227 classified at threat level 10/10 with 22 documented attacks.

Advanced threat indicators confirmed with 96% certainty.

More threatening than 100% of monitored IPs

Threat Categories

Hacking 19

SSH 19

Exploited Host 4

Brute-Force 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: Recent Spike

Significant activity increase over past 7 days indicates renewed threat actor interest or system compromise.

First Observed 7. September 2026

Last Activity 1. October 2026

Recent (7 days) 19 incidents

Moderate Network Risk

The network hosting this IP (ASN 5610, operated by O2 Czech Republic, a.s.) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Immediate monitoring recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 8/10 High

Confidence Score 96% Verified

Confidence History

7. Sep 2026 - 1. Oct 2026

96% Current

Stable Trend

Date	Categories	Source	Confidence
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	SSH Hacking	Honeypot x2	75%
1. Oct 2026 New	SSH Hacking	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	SSH Hacking	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	SSH Hacking	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
1. Oct 2026 New	Hacking SSH Exploited Host	Honeypot x3	75%
1. Oct 2026 New	Hacking SSH	Honeypot x2	75%
28. Sep 2026	SSH Brute-Force	Community	75%
27. Sep 2026	SSH Brute-Force	Community	75%
26. Sep 2026	SSH Brute-Force	Community	75%
7. Sep 2026	Hacking Exploited Host	Honeypot x2	75%
7. Sep 2026	Hacking Exploited Host	Honeypot x2	75%
7. Sep 2026	Hacking Exploited Host	Honeypot x2	75%

Basic Information

IP Address: 90.181.248.227
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: CZ
ASN: AS5610
ISP: O2 Czech Republic, a.s.

DNS Information

Reverse DNS: smtp.kleg.cz
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 22
First Reported: 7 Sep 2026
Last Reported: 1 Oct 2026, 23:50

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: AS5610

Organization: O2 Czech Republic, a.s.

Country:

Network Threat Assessment

4/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

103

Total Reports

25.8

Reports per IP

Network Context

This IP address belongs to O2 Czech Republic, a.s. (AS5610), which manages 4 IP addresses in our monitoring system. Out of these, 103 have been reported for suspicious activities, resulting in a network-wide threat level of 4/10.

Network notice: This network shows some suspicious activity patterns. Monitor interactions with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

100 %

Global Threat Ranking

This IP is more threatening than 100% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 810,887 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 22 avg: 9 ++

Network Comparison

Compared against 50 IPs in ASN 5610

Threat Level 10/10 network avg: 6.7 +

Total Reports 22 network avg: 4 ++

Network O2 Czech Republic, a.s. has overall threat level 4/10

Geographic Comparison

Compared against 561 IPs in CZ

Threat Level 10/10 country avg: 6.7 +

Total Reports 22 country avg: 9 ++

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

Peak Day 1 Oct 2026 16 reports

Daily Average 0.7 reports/day

Most Active Thursday 16 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 19

SSH 19

Exploited Host 4

Brute-Force 3

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

Hourly Activity

Peak activity at 14:00 with 5 reports

Weekly Activity

Geographic Threat Distribution

737,373 threat incidents tracked globally • Last 24h: 35,163 Logs

FEED

Top Threat Sources

01

United States US

144,136 19.5%
02

Brazil BR

110,954 15%
03

India IN

82,861 11.2%
04

China CN

45,003 6.1%
05

SC SC

29,242 4%
06

Germany DE

17,668 2.4%
07

Netherlands NL

17,557 2.4%
08

Pakistan PK

16,824 2.3%
09

Argentina AR

16,204 2.2%
10

Colombia CO

15,143 2.1%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

6.5/10 Avg Threat

26% Avg Confidence

7 High Threat

Elevated risk: Multiple related IPs are flagged

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Moderate Network Risk

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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