Is IP address 104.28.163.233 dangerous?

Yes, 104.28.163.233 is considered dangerous with a threat level of 8/10. It has been reported 5 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 104.28.163.233?

IP address 104.28.163.233 is operated by Cloudflare, Inc. (ASN 13335) and is geolocated to SG. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 104.28.163.233?

Yes, blocking 104.28.163.233 is strongly recommended. With a threat level of 8/10 and 5 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 104.28.163.233?

Our threat assessment for 104.28.163.233 has a confidence score of 43%, based on 5 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

104.28.163.233

IPv4 Public

AS13335

Cloudflare, Inc.

5 Reports

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Singapore Location

Cloudflare, Inc. ASN 13335

5 Reports

Mixed Data Source

Notable Threat

IP 104.28.163.233 rated 8/10 from 5 verified reports.

Multiple security incidents attributed to this IP. Confidence: 43%.

More threatening than 92% of monitored IPs

Threat Categories

Web App Attack 3

Brute-Force 3

Bad Web Bot 1

Technical Details

Web application attacks target vulnerabilities like XSS, CSRF, file inclusion, and other OWASP Top 10 issues.

Recommended Mitigations

Deploy web application firewalls, keep applications updated, and conduct regular security audits.

Behavioral Analysis

Activity Pattern: Recent Spike

Significant activity increase over past 7 days indicates renewed threat actor interest or system compromise.

First Observed 1. November 2026

Last Activity 5. November 2026

Recent (7 days) 0 incidents

Reputable Network

This IP is hosted on a network (ASN 13335) with generally good reputation. The ISP Cloudflare, Inc. maintains standard security practices.

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

Security Recommendations

Implement appropriate security controls.

Immediate monitoring recommended.

Reputation Summary

Threat Level 8/10 High

Critical

Activity Frequency 0/10 Inactive

Confidence Score 43% Medium Confidence

Confidence History

10. Sep 2026 - 5. Nov 2026

43% Current

Stable Trend

Date	Categories	Source	Confidence
5. Nov 2026	Bad Web Bot Web App Attack	Community	75%
5. Nov 2026	Brute-Force Web App Attack	Honeypot	75%
2. Nov 2026	Brute-Force	Community	75%
1. Nov 2026	Brute-Force	Community	75%
10. Sep 2026	Web App Attack	Honeypot	75%

Basic Information

IP Address: 104.28.163.233
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: SG
ASN: AS13335
ISP: Cloudflare, Inc.

DNS Information

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

Statistics

Total Reports: 5
First Reported: 10 Sep 2026
Last Reported: 5 Nov 2026, 12:29

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: AS13335

Organization: Cloudflare, Inc.

Country:

Network Threat Assessment

3/10

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

Network Statistics

149

Total IPs Monitored

854

Total Reports

5.7

Reports per IP

Network Context

This IP address belongs to Cloudflare, Inc. (AS13335), which manages 149 IP addresses in our monitoring system. Out of these, 854 have been reported for suspicious activities, resulting in a network-wide threat level of 3/10.

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

92 %

Global Threat Ranking

This IP is more threatening than 92% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 1,352,091 reported IPs worldwide

Threat Level 8/10 avg: 6.0 +

Total Reports 5 avg: 7 -

Network Comparison

Compared against 10,568 IPs in ASN 13335

Threat Level 8/10 network avg: 6.4 +

Total Reports 5 network avg: 2 ++

Network Cloudflare, Inc. has overall threat level 3/10

Geographic Comparison

Compared against 16,840 IPs in SG

Threat Level 8/10 country avg: 7.1 =

Total Reports 5 country avg: 8 -

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

Peak Day 5 Nov 2026 2 reports

Daily Average 0.1 reports/day

Most Active Thursday 3 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

Web App Attack 3

Brute-Force 3

Bad Web Bot 1

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

Hourly Activity

Peak activity at 00:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,232,363 threat incidents tracked globally • Last 24h: 20,563 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.

20 Related IPs

8.4/10 Avg Threat

99% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Notable Threat

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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