Is IP address 121.1.249.50 dangerous?

Yes, 121.1.249.50 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 121.1.249.50?

IP address 121.1.249.50 is operated by Asahi Net (ASN 4685) and is geolocated to JP. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 121.1.249.50?

Yes, blocking 121.1.249.50 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 121.1.249.50?

Our threat assessment for 121.1.249.50 has a confidence score of 24%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

121.1.249.50

IPv4 Public

AS4685

Asahi Net

3 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

Japan Location

Asahi Net ASN 4685

3 Reports

Community Data Source

Significant Threat

IP 121.1.249.50 identified as significant threat (8/10) from 3 events.

Multiple malicious indicators detected. Confidence level: 24%.

More threatening than 87% of monitored IPs

Threat Categories

Brute-Force 3

Web App Attack 2

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 5 days indicates persistent threat actor operations.

First Observed 27. September 2026

Last Activity 2. October 2026

Recent (7 days) 1 incidents

Reputable Network

This IP is hosted on a network (ASN 4685) with generally good reputation. The ISP Asahi Net maintains standard security practices.

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

Security Recommendations

Implement rate limiting or temporary blocking measures.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 24% Low Confidence

Confidence History

27. Sep 2026 - 2. Oct 2026

24% Current

Stable Trend

Date	Categories	Source	Confidence
2. Oct 2026	Brute-Force Web App Attack	Community	75%
29. Sep 2026	Brute-Force	Community	75%
27. Sep 2026	Brute-Force Web App Attack	Community	75%

Basic Information

IP Address: 121.1.249.50
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: JP
ASN: AS4685
ISP: Asahi Net

DNS Information

Reverse DNS: w249050.ppp.asahi-net.or.jp
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 3
First Reported: 27 Sep 2026
Last Reported: 2 Oct 2026, 14:47

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: AS4685

Organization: Asahi Net

Country:

Network Threat Assessment

3/10

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

Network Statistics

Total IPs Monitored

121

Total Reports

7.1

Reports per IP

Network Context

This IP address belongs to Asahi Net (AS4685), which manages 17 IP addresses in our monitoring system. Out of these, 121 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

87 %

Global Threat Ranking

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

High Threat Percentile

Global Comparison

Compared against 832,206 reported IPs worldwide

Threat Level 8/10 avg: 6.3 +

Total Reports 3 avg: 9 --

Network Comparison

Compared against 34 IPs in ASN 4685

Threat Level 8/10 network avg: 6.7 +

Total Reports 3 network avg: 6 -

Network Asahi Net has overall threat level 3/10

Geographic Comparison

Compared against 6,481 IPs in JP

Threat Level 8/10 country avg: 7.6 =

Total Reports 3 country avg: 8 --

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

Peak Day 27 Sep 2026 1 reports

Daily Average 0.1 reports/day

Most Active Sunday 1 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

Web App Attack 2

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

Hourly Activity

Peak activity at 06:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

756,541 threat incidents tracked globally • Last 24h: 29,134 Logs

FEED

Top Threat Sources

01

United States US

148,054 19.6%
02

Brazil BR

111,808 14.8%
03

India IN

87,138 11.5%
04

China CN

46,044 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,353 2.4%
07

Netherlands NL

17,968 2.4%
08

Pakistan PK

17,792 2.4%
09

Argentina AR

16,265 2.1%
10

Colombia CO

15,169 2%

+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

22% Avg Confidence

11 High Threat

High-risk network: Majority of related IPs are flagged

Confidence 84%

Reports 150

Location

Significant Threat

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

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