Is IP address 155.4.31.215 dangerous?

Yes, 155.4.31.215 is considered dangerous with a threat level of 10/10. It has been reported 7 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 155.4.31.215?

IP address 155.4.31.215 is operated by Bahnhof AB (ASN 8473) and is geolocated to SE. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 155.4.31.215?

Yes, blocking 155.4.31.215 is strongly recommended. With a threat level of 10/10 and 7 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 155.4.31.215?

Our threat assessment for 155.4.31.215 has a confidence score of 30%, based on 7 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

155.4.31.215

IPv4 Public

AS8473

Bahnhof AB

7 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

SE Location

Bahnhof AB ASN 8473

7 Reports

Mixed Data Source

Critical Alert

Security alert: 155.4.31.215 rated 10/10 based on 7 verified incidents.

Threat profile indicates sustained malicious activity with 30% confidence rating.

More threatening than 96% of monitored IPs

Threat Categories

Brute-Force 6

Hacking 1

Technical Details

Brute-force attacks systematically attempt password combinations against authentication systems.

Recommended Mitigations

Implement rate limiting, account lockout policies, multi-factor authentication, and fail2ban.

Behavioral Analysis

Activity Pattern: Consistent Activity

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

First Observed 3. October 2026

Last Activity 3. October 2026

Recent (7 days) 1 incidents

Moderate Network Risk

The network hosting this IP (ASN 8473, operated by Bahnhof AB) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Implement immediate countermeasures. Well-resourced threat actor identified.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 2/10 Very Low

Confidence Score 30% Medium Confidence

Confidence History

13. May 2026 - 3. Oct 2026

30% Current

Stable Trend

Date	Categories	Source	Confidence
3. Oct 2026 New	Hacking	Honeypot	75%
29. May 2026	Brute-Force	Community	75%
28. May 2026	Brute-Force	Community	75%
24. May 2026	Brute-Force	Community	75%
24. May 2026	Brute-Force	Community	75%
16. May 2026	Brute-Force	Community	75%
13. May 2026	Brute-Force	Honeypot	75%

Basic Information

IP Address: 155.4.31.215
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class B

Geolocation

Country: SE
ASN: AS8473
ISP: Bahnhof AB

DNS Information

Reverse DNS: h-155-4-31-215.A2204.priv.bahnhof.se
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 7
First Reported: 13 May 2026
Last Reported: 3 Oct 2026, 05:06

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: AS8473

Organization: Bahnhof AB

Country:

Network Threat Assessment

6/10

This network shows moderate threat levels with some malicious activity patterns.

Network Statistics

Total IPs Monitored

731

Total Reports

18.7

Reports per IP

Network Context

This IP address belongs to Bahnhof AB (AS8473), which manages 39 IP addresses in our monitoring system. Out of these, 731 have been reported for suspicious activities, resulting in a network-wide threat level of 6/10.

Network warning: This network has elevated threat levels. Exercise caution when interacting with IPs from this ASN.

Comparative Analysis

How this IP compares to others in our threat intelligence database

96 %

Global Threat Ranking

This IP is more threatening than 96% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 816,431 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 7 avg: 9 -

Network Comparison

Compared against 130 IPs in ASN 8473

Threat Level 10/10 network avg: 6.4 ++

Total Reports 7 network avg: 9 -

Network Bahnhof AB has overall threat level 6/10

Geographic Comparison

Compared against 2,678 IPs in SE

Threat Level 10/10 country avg: 6.5 ++

Total Reports 7 country avg: 12 -

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

Peak Day 3 Oct 2026 1 reports

Daily Average 0 reports/day

Most Active Sunday 2 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

Brute-Force 6

Hacking 1

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

Hourly Activity

Peak activity at 05:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

742,060 threat incidents tracked globally • Last 24h: 33,286 Logs

FEED

Top Threat Sources

01

United States US

145,057 19.5%
02

Brazil BR

111,191 15%
03

India IN

83,870 11.3%
04

China CN

45,338 6.1%
05

SC SC

29,243 3.9%
06

Germany DE

17,815 2.4%
07

Netherlands NL

17,621 2.4%
08

Pakistan PK

17,069 2.3%
09

Argentina AR

16,222 2.2%
10

Colombia CO

15,153 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.6/10 Avg Threat

41% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Critical Alert

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