Is IP address 81.2.233.212 dangerous?

81.2.233.212 presents moderate risk with a threat level of 4/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 81.2.233.212?

IP address 81.2.233.212 is operated by INTERNET CZ, a.s. (ASN 24806) and is geolocated to CZ. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 81.2.233.212?

Blocking 81.2.233.212 is advisable for security-sensitive environments. With a threat level of 4/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 81.2.233.212?

Our threat assessment for 81.2.233.212 has a confidence score of 21%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

81.2.233.212

IPv4 Public

AS24806

INTERNET CZ, a.s.

1 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

INTERNET CZ, a.s. ASN 24806

1 Reports

Honeypot Data Source

Moderate Risk

IP 81.2.233.212 presents moderate risk (4/10) with 1 security reports.

Some concerning behavior detected. Confidence: 21%.

More threatening than 1% of monitored IPs

Threat Categories

Email Spam 1

Technical Details

Email spam involves mass distribution of unwanted emails, often for advertising, phishing, or malware delivery.

Recommended Mitigations

Implement SPF, DKIM, DMARC, and use reputable email filtering services.

Behavioral Analysis

Activity Pattern: Consistent Activity

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

First Observed 17. October 2026

Last Activity 17. October 2026

Recent (7 days) 0 incidents

High-Risk Network Association

This IP belongs to a network (ASN 24806) with elevated threat levels. The ISP INTERNET CZ, a.s. hosts multiple reported malicious addresses, suggesting systemic security issues or permissive policies.

Network-wide patterns may indicate this is part of a larger malicious infrastructure.

Security Recommendations

Standard monitoring recommended. Apply conditional access controls as needed.

Long-term blocking recommended.

Reputation Summary

Threat Level 4/10 Low

Medium

Activity Frequency 0/10 Inactive

Confidence Score 16% Low Confidence

Date	Categories	Source	Confidence
17. Oct 2026	Email Spam	Honeypot	75%

Basic Information

IP Address: 81.2.233.212
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: CZ
ASN: AS24806
ISP: INTERNET CZ, a.s.

DNS Information

Reverse DNS: 212.233.forpsi.net
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 1
First Reported: 20 Oct 2026
Last Reported: 17 Oct 2026, 12:00

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: AS24806

Organization: INTERNET CZ, a.s.

Country:

Network Threat Assessment

8/10

This network has a high threat level with significant malicious activity reported across multiple IPs.

Network Statistics

Total IPs Monitored

Total Reports

Reports per IP

Network Context

This IP address belongs to INTERNET CZ, a.s. (AS24806), which manages 1 IP addresses in our monitoring system. Out of these, 25 have been reported for suspicious activities, resulting in a network-wide threat level of 8/10.

Network warning: This network has elevated threat levels. Exercise caution when interacting with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

1 %

Global Threat Ranking

This IP is more threatening than 1% of all IPs in our database.

Low Threat Percentile

Global Comparison

Compared against 1,325,021 reported IPs worldwide

Threat Level 4/10 avg: 6.0 -

Total Reports 1 avg: 7 --

Network Comparison

Compared against 12 IPs in ASN 24806

Threat Level 4/10 network avg: 5.4 -

Total Reports 1 network avg: 3 --

Network INTERNET CZ, a.s. has overall threat level 8/10

Geographic Comparison

Compared against 712 IPs in CZ

Threat Level 4/10 country avg: 6.6 -

Total Reports 1 country avg: 8 --

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

Peak Day 17 Oct 2026 1 reports

Daily Average 0 reports/day

Most Active Saturday 1 reports

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

Initial Threat 3/10

Current Threat 3/10

Distribution of threat categories reported over time.

Top Threat Categories

Email Spam 1

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

Hourly Activity

Peak activity at 12:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,207,594 threat incidents tracked globally • Last 24h: 35,966 Logs

FEED

Top Threat Sources

01

Brazil BR

260,981 21.6%
02

United States US

206,455 17.1%
03

India IN

103,457 8.6%
04

China CN

50,790 4.2%
05

Argentina AR

42,392 3.5%
06

SC SC

29,445 2.4%
07

Mexico MX

27,901 2.3%
08

Russia RU

26,958 2.2%
09

Germany DE

24,290 2%
10

Colombia CO

24,263 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

11 Related IPs

5.5/10 Avg Threat

17% Avg Confidence

4 High Threat

Elevated risk: Multiple related IPs are flagged

Moderate Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

High-Risk Network Association

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