Is IP address 121.189.222.100 dangerous?

121.189.222.100 presents moderate risk with a threat level of 5/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 121.189.222.100?

IP address 121.189.222.100 is operated by Korea Telecom (ASN 4766) and is geolocated to KR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 121.189.222.100?

Blocking 121.189.222.100 is advisable for security-sensitive environments. With a threat level of 5/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 121.189.222.100?

Our threat assessment for 121.189.222.100 has a confidence score of 50%, based on 44 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

121.189.222.100

IPv4 Public

AS4766

Korea Telecom

44 Reports

KR Location

Korea Telecom ASN 4766

44 Reports

Honeypot Data Source

Medium Threat

Medium risk rating 5/10 for IP 121.189.222.100 based on 44 incidents.

Suspicious behavior markers present. 50% confidence level.

More threatening than 30% of monitored IPs

Threat Categories

Email Spam 6

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.

Moderate Network Risk

The network hosting this IP (ASN 4766, operated by Korea Telecom) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Monitor traffic patterns. Review logs periodically for escalation.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 5/10 Medium

Medium

Activity Frequency 8/10 High

Confidence Score 26% Medium Confidence

Confidence History

11. Feb 2026 - 12. Feb 2026

50% Current

Stable Trend

Date	Categories	Source	Confidence
12. Feb 2026	Email Spam	Honeypot x7	75%
12. Feb 2026	Email Spam	Honeypot x7	75%
12. Feb 2026	Email Spam	Honeypot x7	75%
12. Feb 2026	Email Spam	Honeypot x7	75%
12. Feb 2026	Email Spam	Honeypot x7	75%
11. Feb 2026	Email Spam	Honeypot x7	75%

Basic Information

IP Address: 121.189.222.100
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: KR
ASN: AS4766
ISP: Korea Telecom

DNS Information

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

Statistics

Total Reports: 44
First Reported: 11 Feb 2026
Last Reported: 12 Feb 2026, 13:57

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: AS4766

Organization: Korea Telecom

Country:

Network Threat Assessment

5/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

930

Total IPs Monitored

17,918

Total Reports

19.3

Reports per IP

Network Context

This IP address belongs to Korea Telecom (AS4766), which manages 930 IP addresses in our monitoring system. Out of these, 17,918 have been reported for suspicious activities, resulting in a network-wide threat level of 5/10.

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

30 %

Global Threat Ranking

This IP is more threatening than 30% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 199,347 reported IPs worldwide

Threat Level 5/10 avg: 5.3 =

Total Reports 44 avg: 23 ++

Network Comparison

Compared against 1,014 IPs in ASN 4766

Threat Level 5/10 network avg: 5.0 =

Total Reports 44 network avg: 18 ++

Network Korea Telecom has overall threat level 5/10

Geographic Comparison

Compared against 2,287 IPs in KR

Threat Level 5/10 country avg: 5.3 =

Total Reports 44 country avg: 19 ++

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Thursday 5 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 6

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

187,017 threat incidents tracked globally • Last 24h: 18,967 Logs

FEED

Top Threat Sources

01

United States US

38,426 20.5%
02

India IN

28,977 15.5%
03

China CN

26,016 13.9%
04

Brazil BR

10,249 5.5%
05

Germany DE

7,139 3.8%
06

Singapore SG

6,475 3.5%
07

Indonesia ID

5,533 3%
08

Russia RU

4,701 2.5%
09

Pakistan PK

4,647 2.5%
10

Netherlands NL

4,355 2.3%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.8/10 Avg Threat

99% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Medium Threat

Threat Categories

Technical Details

Recommended Mitigations

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

Analyzed high-risk IP addresses

reportedIP

Parkstraße 19, 80339 München

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