Is IP address 203.72.177.253 dangerous?

203.72.177.253 presents moderate risk with a threat level of 6/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 203.72.177.253?

IP address 203.72.177.253 is operated by Taiwan Academic Network (TANet) Information Center (ASN 1659) and is geolocated to TW. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 203.72.177.253?

Blocking 203.72.177.253 is advisable for security-sensitive environments. With a threat level of 6/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 203.72.177.253?

Our threat assessment for 203.72.177.253 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

203.72.177.253

IPv4 Public

AS1659

Taiwan Academic Network (TANet) Information Center

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

Taiwan Location

Taiwan Academic Network (... ASN 1659

1 Reports

Honeypot Data Source

Moderate Risk

IP 203.72.177.253 presents moderate risk (6/10) with 1 security reports.

Some concerning behavior detected. Confidence: 23%.

More threatening than 55% of monitored IPs

Threat Categories

Fraud VoIP 1

Technical Details

VoIP fraud exploits phone systems to make unauthorized calls, often to premium rate numbers for financial gain.

Recommended Mitigations

Implement call authentication, monitor call patterns, and restrict international/premium rate dialing.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 28. October 2026

Last Activity 28. October 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 1659) with generally good reputation. The ISP Taiwan Academic Network (TANet) Information Center maintains standard security practices.

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

Security Recommendations

Standard monitoring recommended. Apply conditional access controls as needed.

Long-term blocking recommended.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 0/10 Inactive

Confidence Score 21% Low Confidence

Date	Categories	Source	Confidence
28. Oct 2026	Fraud VoIP	Honeypot	75%

Basic Information

IP Address: 203.72.177.253
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class C

Geolocation

Country: TW
ASN: AS1659
ISP: Taiwan Academic Network (TANet) Information Center

DNS Information

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

Statistics

Total Reports: 1
First Reported: 28 Oct 2026
Last Reported: 28 Oct 2026, 08:47

Comparative Analysis

How this IP compares to others in our threat intelligence database

55 %

Global Threat Ranking

This IP is more threatening than 55% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 1,352,021 reported IPs worldwide

Threat Level 6/10 avg: 6.0 =

Total Reports 1 avg: 7 --

Network Comparison

Compared against 16 IPs in ASN 1659

Threat Level 6/10 network avg: 6.6 =

Total Reports 1 network avg: 2 -

Geographic Comparison

Compared against 5,794 IPs in TW

Threat Level 6/10 country avg: 6.5 =

Total Reports 1 country avg: 10 --

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

Peak Day 28 Oct 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 5/10

Current Threat 5/10

Distribution of threat categories reported over time.

Top Threat Categories

Fraud VoIP 1

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

Hourly Activity

Peak activity at 08:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,232,363 threat incidents tracked globally • Last 24h: 20,583 Logs

FEED

Top Threat Sources

01

Brazil BR

261,723 21.2%
02

United States US

213,624 17.3%
03

India IN

104,161 8.5%
04

China CN

52,537 4.3%
05

Argentina AR

42,607 3.5%
06

SC SC

29,487 2.4%
07

Mexico MX

28,150 2.3%
08

Russia RU

27,412 2.2%
09

Germany DE

25,867 2.1%
10

Colombia CO

24,360 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

15 Related IPs

6.7/10 Avg Threat

17% Avg Confidence

11 High Threat

High-risk network: Majority of related IPs are flagged

Moderate Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

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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