Is IP address 163.43.197.166 dangerous?

163.43.197.166 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 163.43.197.166?

IP address 163.43.197.166 is operated by SAKURA Internet Inc. (ASN 9370) and is geolocated to JP. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 163.43.197.166?

Blocking 163.43.197.166 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 163.43.197.166?

Our threat assessment for 163.43.197.166 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

163.43.197.166

IPv4 Public

AS9370

SAKURA Internet Inc.

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

SAKURA Internet Inc. ASN 9370

1 Reports

Honeypot Data Source

Medium Threat

Medium risk rating 4/10 for IP 163.43.197.166 based on 1 incidents.

Suspicious behavior markers present. 23% confidence level.

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

Reputable Network

This IP is hosted on a network (ASN 9370) with generally good reputation. The ISP SAKURA Internet Inc. maintains standard security practices.

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

Security Recommendations

Monitor traffic patterns. Review logs periodically for escalation.

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: 163.43.197.166
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: JP
ASN: AS9370
ISP: SAKURA Internet Inc.

DNS Information

Reverse DNS: www50126.sakura.ne.jp
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 1
First Reported: 5 Oct 2026
Last Reported: 5 Oct 2026, 17:00

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: AS9370

Organization: SAKURA Internet Inc.

Country:

Network Threat Assessment

1/10

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

Network Statistics

Total IPs Monitored

Total Reports

8.2

Reports per IP

Network Context

This IP address belongs to SAKURA Internet Inc. (AS9370), which manages 6 IP addresses in our monitoring system. Out of these, 49 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.