Is IP address 81.18.223.138 dangerous?

Yes, 81.18.223.138 is considered dangerous with a threat level of 8/10. It has been reported 3 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 81.18.223.138?

IP address 81.18.223.138 is operated by Play (ASN 9141) and is geolocated to PL. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 81.18.223.138?

Yes, blocking 81.18.223.138 is strongly recommended. With a threat level of 8/10 and 3 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 81.18.223.138?

Our threat assessment for 81.18.223.138 has a confidence score of 50%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

81.18.223.138

IPv4 Public

AS9141

Play

3 Reports

Poland Location

Play ASN 9141

3 Reports

Honeypot Data Source

Elevated Risk

Elevated threat level 8/10 for IP 81.18.223.138 from 3 reported incidents.

Behavioral profile indicates cyber threat activity with 50% confidence.

More threatening than 87% of monitored IPs

Threat Categories

Brute-Force 3

SSH 3

Technical Details

Brute-force attacks systematically attempt password combinations against authentication systems.

Recommended Mitigations

Implement rate limiting, account lockout policies, multi-factor authentication, and fail2ban.

Behavioral Analysis

Activity Pattern: Consistent Activity

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

First Observed 5. September 2026

Last Activity 5. September 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 9141) with generally good reputation. The ISP Play maintains standard security practices.

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

Security Recommendations

Enhanced monitoring recommended. Review logs for interactions with this IP.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 6/10 Moderate

Confidence Score 38% Medium Confidence

Confidence History

5. Sep 2026

50% Current

Stable Trend

Date	Categories	Source	Confidence
5. Sep 2026	Brute-Force SSH	Honeypot	75%
5. Sep 2026	Brute-Force SSH	Honeypot	75%
5. Sep 2026	Brute-Force SSH	Honeypot	75%

Basic Information

IP Address: 81.18.223.138
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: PL
ASN: AS9141
ISP: Play

DNS Information

Reverse DNS: kilo.cyberbiznes.net
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 3
First Reported: 5 Sep 2026
Last Reported: 5 Sep 2026, 13:09

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: AS9141

Organization: Play

Country:

Network Threat Assessment

2/10

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

Network Statistics

Total IPs Monitored

Total Reports

3.8

Reports per IP

Network Context

This IP address belongs to Play (AS9141), which manages 19 IP addresses in our monitoring system. Out of these, 73 have been reported for suspicious activities, resulting in a network-wide threat level of 2/10.

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

87 %

Global Threat Ranking

This IP is more threatening than 87% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 767,802 reported IPs worldwide

Threat Level 8/10 avg: 5.8 +

Total Reports 3 avg: 9 --

Network Comparison

Compared against 281 IPs in ASN 9141

Threat Level 8/10 network avg: 5.2 ++

Total Reports 3 network avg: 2 ++

Network Play has overall threat level 2/10

Geographic Comparison

Compared against 5,154 IPs in PL

Threat Level 8/10 country avg: 5.6 +

Total Reports 3 country avg: 7 --

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

Peak Day 5 Sep 2026 3 reports

Daily Average 0.1 reports/day

Most Active Saturday 3 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

Brute-Force 3

SSH 3

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

Hourly Activity

Peak activity at 12:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

698,370 threat incidents tracked globally • Last 24h: 23,162 Logs

FEED

Top Threat Sources

01

United States US

134,954 19.3%
02

Brazil BR

109,430 15.7%
03

India IN

75,806 10.9%
04

China CN

43,125 6.2%
05

SC SC

29,184 4.2%
06

Netherlands NL

16,474 2.4%
07

Argentina AR

16,068 2.3%
08

Germany DE

15,825 2.3%
09

Pakistan PK

15,214 2.2%
10

Colombia CO

15,077 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

7/10 Avg Threat

58% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Elevated 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