Is IP address 153.138.234.126 dangerous?

Yes, 153.138.234.126 is considered dangerous with a threat level of 8/10. It has been reported 4 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 153.138.234.126?

IP address 153.138.234.126 is operated by NTT DOCOMO BUSINESS,Inc. (ASN 4713) and is geolocated to JP. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 153.138.234.126?

Yes, blocking 153.138.234.126 is strongly recommended. With a threat level of 8/10 and 4 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 153.138.234.126?

Our threat assessment for 153.138.234.126 has a confidence score of 40%, based on 4 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

153.138.234.126

IPv4 Public

AS4713

NTT DOCOMO BUSINESS,Inc.

4 Reports

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JP Location

NTT DOCOMO BUSINESS,Inc. ASN 4713

4 Reports

Mixed Data Source

High Risk

IP 153.138.234.126 rated at threat level 8/10 based on 4 security reports.

Pattern analysis reveals concerning activity. Confidence: 40%.

More threatening than 90% of monitored IPs

Threat Categories

SSH 4

Brute-Force 3

Technical Details

SSH attacks attempt to gain server access through password guessing or exploitation of SSH vulnerabilities.

Recommended Mitigations

Use key-based authentication, change default ports, implement fail2ban, and disable root login.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 2 days indicates persistent threat actor operations.

First Observed 15. October 2026

Last Activity 17. October 2026

Recent (7 days) 3 incidents

Reputable Network

This IP is hosted on a network (ASN 4713) with generally good reputation. The ISP NTT DOCOMO BUSINESS,Inc. maintains standard security practices.

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

Security Recommendations

Monitor closely and consider blocking. Escalation potential detected.

Long-term blocking recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 5/10 Moderate

Confidence Score 40% Medium Confidence

Confidence History

4. Mar 2026 - 17. Oct 2026

40% Current

Stable Trend

Date	Categories	Source	Confidence
17. Oct 2026 New	SSH Brute-Force	Community x2	75%
16. Oct 2026	SSH Brute-Force	Community x2	75%
15. Oct 2026	SSH Brute-Force	Community x2	75%
4. Mar 2026	SSH	Honeypot x2	75%

Basic Information

IP Address: 153.138.234.126
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: JP
ASN: AS4713
ISP: NTT DOCOMO BUSINESS,Inc.

DNS Information

Reverse DNS: 153-138-234-126-revip-jp2-default.234.138.153.in-addr.arpa
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 4
First Reported: 4 Mar 2026
Last Reported: 17 Oct 2026, 16:04

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: AS4713

Organization: NTT DOCOMO BUSINESS,Inc.

Country:

Network Threat Assessment

1/10

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

Network Statistics

Total IPs Monitored

212

Total Reports

3.1

Reports per IP

Network Context

This IP address belongs to NTT DOCOMO BUSINESS,Inc. (AS4713), which manages 68 IP addresses in our monitoring system. Out of these, 212 have been reported for suspicious activities, resulting in a network-wide threat level of 1/10.

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

90 %

Global Threat Ranking

This IP is more threatening than 90% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 979,840 reported IPs worldwide

Threat Level 8/10 avg: 6.2 +

Total Reports 4 avg: 8 --

Network Comparison

Compared against 280 IPs in ASN 4713

Threat Level 8/10 network avg: 6.8 +

Total Reports 4 network avg: 4 =

Network NTT DOCOMO BUSINESS,Inc. has overall threat level 1/10

Geographic Comparison

Compared against 8,556 IPs in JP

Threat Level 8/10 country avg: 7.1 =

Total Reports 4 country avg: 7 -

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

Peak Day 15 Oct 2026 1 reports

Daily Average 0.1 reports/day

Most Active Wednesday 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

SSH 4

Brute-Force 3

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

Hourly Activity

Peak activity at 15:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

893,539 threat incidents tracked globally • Last 24h: 219,589 Logs

FEED

Top Threat Sources

01

United States US

178,003 19.9%
02

Brazil BR

148,720 16.6%
03

India IN

94,012 10.5%
04

China CN

47,731 5.3%
05

SC SC

29,341 3.3%
06

Argentina AR

23,053 2.6%
07

Germany DE

19,936 2.2%
08

Pakistan PK

19,332 2.2%
09

Netherlands NL

18,783 2.1%
10

Colombia CO

17,858 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

7.4/10 Avg Threat

28% Avg Confidence

17 High Threat

High-risk network: Majority of related IPs are flagged

High 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

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