Is IP address 2605:a140:2358:420::1 dangerous?

Yes, 2605:a140:2358:420::1 is considered dangerous with a threat level of 10/10. It has been reported 6 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 2605:a140:2358:420::1?

IP address 2605:a140:2358:420::1 is operated by Contabo Inc. (ASN 40021) and is geolocated to US. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 2605:a140:2358:420::1?

Yes, blocking 2605:a140:2358:420::1 is strongly recommended. With a threat level of 10/10 and 6 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 2605:a140:2358:420::1?

Our threat assessment for 2605:a140:2358:420::1 has a confidence score of 54%, based on 6 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

2605:a140:2358:420::1

IPv6 Public

AS40021

Contabo Inc.

6 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

United States Location

Contabo Inc. ASN 40021

6 Reports

Mixed Data Source

Extreme Threat

IP 2605:a140:2358:420::1 classified at threat level 10/10 with 6 documented attacks.

Advanced threat indicators confirmed with 54% certainty.

More threatening than 98% of monitored IPs

Threat Categories

Web App Attack 6

Hacking 4

SQL Injection 1

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 5. October 2026

Last Activity 7. October 2026

Recent (7 days) 6 incidents

Moderate Network Risk

The network hosting this IP (ASN 40021, operated by Contabo Inc.) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Immediate monitoring recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 4/10 Low

Confidence Score 54% High Confidence

Confidence History

5. Oct 2026 - 7. Oct 2026

54% Current

Stable Trend

Date	Categories	Source	Confidence
7. Oct 2026 New	Web App Attack Hacking	Community	75%
6. Oct 2026	Web App Attack Hacking	Community	75%
6. Oct 2026	Web App Attack Hacking	Community	75%
6. Oct 2026	SQL Injection Web App Attack	Honeypot	75%
6. Oct 2026	Web App Attack Hacking	Community	75%
5. Oct 2026	Bad Web Bot Web App Attack	Community	75%

Basic Information

IP Address: 2605:a140:2358:420::1
IP Version: IPv6
Network Type: Public
Tor Network: No

Geolocation

Country: US
ASN: AS40021
ISP: Contabo Inc.

DNS Information

Reverse DNS: vmi3580420.contaboserver.net
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 6
First Reported: 5 Oct 2026
Last Reported: 7 Oct 2026, 08:04

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: AS40021

Organization: Contabo Inc.

Country:

Network Threat Assessment

4/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

152

Total IPs Monitored

7,127

Total Reports

46.9

Reports per IP

Network Context

This IP address belongs to Contabo Inc. (AS40021), which manages 152 IP addresses in our monitoring system. Out of these, 7,127 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

98 %

Global Threat Ranking

This IP is more threatening than 98% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 832,206 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 6 avg: 9 -

Network Comparison

Compared against 352 IPs in ASN 40021

Threat Level 10/10 network avg: 7.7 +

Total Reports 6 network avg: 21 --

Network Contabo Inc. has overall threat level 4/10

Geographic Comparison

Compared against 148,054 IPs in US

Threat Level 10/10 country avg: 6.8 +

Total Reports 6 country avg: 18 --

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

Peak Day 6 Oct 2026 4 reports

Daily Average 0.2 reports/day

Most Active Tuesday 4 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

Web App Attack 6

Hacking 4

Bad Web Bot 1

SQL Injection 1

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

Hourly Activity

Peak activity at 05:00 with 3 reports

Weekly Activity

Geographic Threat Distribution

756,541 threat incidents tracked globally • Last 24h: 29,134 Logs

FEED

Top Threat Sources

01

United States US THIS IP

148,054 19.6%
02

Brazil BR

111,808 14.8%
03

India IN

87,138 11.5%
04

China CN

46,044 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,353 2.4%
07

Netherlands NL

17,968 2.4%
08

Pakistan PK

17,792 2.4%
09

Argentina AR

16,265 2.1%
10

Colombia CO

15,169 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.1/10 Avg Threat

53% Avg Confidence

19 High Threat

High-risk network: Majority of related IPs are flagged

Extreme Threat

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