Is IP address 163.128.140.188 dangerous?

163.128.140.188 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 163.128.140.188?

IP address 163.128.140.188 is operated by Wolast Technologies (ASN 150142) and is geolocated to SG. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 163.128.140.188?

Blocking 163.128.140.188 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 163.128.140.188?

Our threat assessment for 163.128.140.188 has a confidence score of 24%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

163.128.140.188

IPv4 Public

AS150142

Wolast Technologies

2 Reports

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Singapore Location

Wolast Technologies ASN 150142

2 Reports

Honeypot Data Source

Cautionary Risk

IP 163.128.140.188 rated 4/10 from 2 security events.

Mixed behavior profile detected. Confidence: 24%.

More threatening than 2% of monitored IPs

Threat Categories

Email Spam 2

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 24. September 2026

Last Activity 24. September 2026

Recent (7 days) 0 incidents

Moderate Network Risk

The network hosting this IP (ASN 150142, operated by Wolast Technologies) 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 0/10 Inactive

Confidence Score 20% Low Confidence

Confidence History

2. Sep 2026 - 24. Sep 2026

24% Current

Stable Trend

Date	Categories	Source	Confidence
24. Sep 2026	Email Spam	Honeypot	75%
2. Sep 2026	Email Spam	Honeypot	75%

Basic Information

IP Address: 163.128.140.188
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: SG
ASN: AS150142
ISP: Wolast Technologies

DNS Information

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

Statistics

Total Reports: 2
First Reported: 2 Sep 2026
Last Reported: 24 Sep 2026, 10:00

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: AS150142

Organization: Wolast Technologies

Country:

Network Threat Assessment

4/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

Total Reports

1.7

Reports per IP

Network Context

This IP address belongs to Wolast Technologies (AS150142), which manages 3 IP addresses in our monitoring system. Out of these, 5 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

2 %

Global Threat Ranking

This IP is more threatening than 2% of all IPs in our database.

Low Threat Percentile

Global Comparison

Compared against 1,017,504 reported IPs worldwide

Threat Level 4/10 avg: 6.2 -

Total Reports 2 avg: 8 --

Network Comparison

Compared against 22 IPs in ASN 150142

Threat Level 4/10 network avg: 5.3 -

Total Reports 2 network avg: 2 +

Network Wolast Technologies has overall threat level 4/10

Geographic Comparison

Compared against 13,221 IPs in SG

Threat Level 4/10 country avg: 7.3 -

Total Reports 2 country avg: 9 --

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

Peak Day 24 Sep 2026 1 reports

Daily Average 0 reports/day

Most Active Wednesday 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 2

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

Hourly Activity

Peak activity at 07:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

926,557 threat incidents tracked globally • Last 24h: 208,171 Logs

FEED

Top Threat Sources

01

United States US

181,978 19.6%
02

Brazil BR

161,893 17.5%
03

India IN

94,476 10.2%
04

China CN

47,791 5.2%
05

SC SC

29,342 3.2%
06

Argentina AR

25,367 2.7%
07

Germany DE

20,099 2.2%
08

Pakistan PK

19,424 2.1%
09

Netherlands NL

18,840 2%
10

Colombia CO

18,521 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

5.3/10 Avg Threat

20% Avg Confidence

6 High Threat

Elevated risk: Multiple 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

Analyzed high-risk IP addresses