Is IP address 143.107.128.42 dangerous?

143.107.128.42 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 143.107.128.42?

IP address 143.107.128.42 is operated by UNIVERSIDADE DE SAO PAULO (ASN 28571) and is geolocated to BR. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 143.107.128.42?

Blocking 143.107.128.42 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 143.107.128.42?

Our threat assessment for 143.107.128.42 has a confidence score of 28%, based on 3 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

143.107.128.42

IPv4 Public

AS28571

UNIVERSIDADE DE SAO PAULO

3 Reports

Brazil Location

UNIVERSIDADE DE SAO PAULO ASN 28571

3 Reports

Community Data Source

Medium Threat

Medium risk rating 6/10 for IP 143.107.128.42 based on 3 incidents.

Suspicious behavior markers present. 28% confidence level.

More threatening than 62% of monitored IPs

Threat Categories

WP User Enumeration 3

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 4 days indicates persistent threat actor operations.

First Observed 14. September 2026

Last Activity 18. September 2026

Recent (7 days) 3 incidents

Reputable Network

This IP is hosted on a network (ASN 28571) with generally good reputation. The ISP UNIVERSIDADE DE SAO PAULO 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 6/10 Medium

High

Activity Frequency 3/10 Low

Confidence Score 26% Medium Confidence

Confidence History

14. Sep 2026 - 18. Sep 2026

28% Current

Stable Trend

Date	Categories	Source	Confidence
18. Sep 2026	WP User Enumeration	Community	75%
15. Sep 2026	WP User Enumeration	Community	75%
14. Sep 2026	WP User Enumeration	Community	75%

Basic Information

IP Address: 143.107.128.42
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: BR
ASN: AS28571
ISP: UNIVERSIDADE DE SAO PAULO

DNS Information

Reverse DNS: cloudpanel.if.usp.br
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 3
First Reported: 14 Sep 2026
Last Reported: 18 Sep 2026, 16:06

Comparative Analysis

How this IP compares to others in our threat intelligence database

62 %

Global Threat Ranking

This IP is more threatening than 62% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 767,315 reported IPs worldwide

Threat Level 6/10 avg: 5.8 =

Total Reports 3 avg: 9 --

Network Comparison

Compared against 5 IPs in ASN 28571

Threat Level 6/10 network avg: 6.2 =

Total Reports 3 network avg: 7 --

Geographic Comparison

Compared against 109,415 IPs in BR

Threat Level 6/10 country avg: 5.2 =

Total Reports 3 country avg: 3 =

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

Peak Day 14 Sep 2026 1 reports

Daily Average 0.1 reports/day

Most Active Monday 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

WP User Enumeration 3

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

698,002 threat incidents tracked globally • Last 24h: 22,649 Logs

FEED

Top Threat Sources

01

United States US

134,839 19.3%
02

Brazil BR THIS IP

109,415 15.7%
03

India IN

75,787 10.9%
04

China CN

43,104 6.2%
05

SC SC

29,184 4.2%
06

Netherlands NL

16,468 2.4%
07

Argentina AR

16,066 2.3%
08

Germany DE

15,802 2.3%
09

Pakistan PK

15,197 2.2%
10

Colombia CO

15,076 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

4 Related IPs

6.3/10 Avg Threat

44% Avg Confidence

1 High Threat

Elevated risk: Multiple related IPs are flagged

Medium Threat

Threat Categories

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

Analyzed high-risk IP addresses