Is IP address 210.172.109.53 dangerous?

210.172.109.53 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 210.172.109.53?

IP address 210.172.109.53 is operated by KDDI CORPORATION (ASN 2516) and is geolocated to JP. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 210.172.109.53?

Blocking 210.172.109.53 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 210.172.109.53?

Our threat assessment for 210.172.109.53 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

210.172.109.53

IPv4 Public

AS2516

KDDI CORPORATION

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

Japan Location

KDDI CORPORATION ASN 2516

1 Reports

Honeypot Data Source

Cautionary Risk

IP 210.172.109.53 rated 4/10 from 1 security events.

Mixed behavior profile detected. Confidence: 23%.

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 5. October 2026

Last Activity 5. October 2026

Recent (7 days) 1 incidents

Moderate Network Risk

The network hosting this IP (ASN 2516, operated by KDDI CORPORATION) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Apply balanced security measures based on risk tolerance.

Long-term blocking recommended.

Reputation Summary

Threat Level 4/10 Low

Medium

Activity Frequency 2/10 Very Low

Confidence Score 21% Low Confidence

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

Basic Information

IP Address: 210.172.109.53
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class C

Geolocation

Country: JP
ASN: AS2516
ISP: KDDI CORPORATION

DNS Information

Reverse DNS: apl.kouritu-cch.jp
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 1
First Reported: 5 Oct 2026
Last Reported: 5 Oct 2026, 06:00

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: AS2516

Organization: KDDI CORPORATION

Country:

Network Threat Assessment

4/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

128

Total Reports

2.9

Reports per IP

Network Context

This IP address belongs to KDDI CORPORATION (AS2516), which manages 44 IP addresses in our monitoring system. Out of these, 128 have been reported for suspicious activities, resulting in a network-wide threat level of 4/10.

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

1 %

Global Threat Ranking

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

Low Threat Percentile

Global Comparison

Compared against 833,268 reported IPs worldwide

Threat Level 4/10 avg: 6.3 -

Total Reports 1 avg: 9 --

Network Comparison

Compared against 141 IPs in ASN 2516

Threat Level 4/10 network avg: 6.3 -

Total Reports 1 network avg: 3 --

Network KDDI CORPORATION has overall threat level 4/10

Geographic Comparison

Compared against 6,508 IPs in JP

Threat Level 4/10 country avg: 7.6 -

Total Reports 1 country avg: 8 --

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

Peak Day 5 Oct 2026 1 reports

Daily Average 0 reports/day

Most Active Monday 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 06:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

757,519 threat incidents tracked globally • Last 24h: 30,670 Logs

FEED

Top Threat Sources

01

United States US

148,275 19.6%
02

Brazil BR

111,878 14.8%
03

India IN

87,206 11.5%
04

China CN

46,091 6.1%
05

SC SC

29,253 3.9%
06

Germany DE

18,444 2.4%
07

Netherlands NL

18,000 2.4%
08

Pakistan PK

17,824 2.4%
09

Argentina AR

16,272 2.1%
10

Colombia CO

15,171 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.5/10 Avg Threat

40% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged

Cautionary Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

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

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