Is IP address 81.0.45.54 dangerous?

81.0.45.54 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 81.0.45.54?

IP address 81.0.45.54 is operated by Xtra Telecom S.A. (ASN 15704) and is geolocated to ES. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 81.0.45.54?

Blocking 81.0.45.54 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 81.0.45.54?

Our threat assessment for 81.0.45.54 has a confidence score of 0%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

81.0.45.54

IPv4 Public

AS15704

Xtra Telecom S.A.

2 Reports

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Spain Location

Xtra Telecom S.A. ASN 15704

2 Reports

Community Data Source

Intermediate Threat

Threat level 6/10 for 81.0.45.54 from 2 reports.

Concerning behaviors alongside normal activity. 0% confidence.

More threatening than 39% of monitored IPs

Threat Categories

Brute-Force 2

WP Login Brute Force 2

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.

Reputable Network

This IP is hosted on a network (ASN 15704) with generally good reputation. The ISP Xtra Telecom S.A. maintains standard security practices.

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

Security Recommendations

Monitor for behavior pattern changes indicating escalation.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 0/10 Inactive

Confidence Score 0% Unverified

Confidence History

14. Jun 2026 - 15. Jun 2026

0% Current

Stable Trend

Date	Categories	Source	Confidence
15. Jun 2026	WP Login Brute Force Brute-Force	Community	75%
14. Jun 2026	WP Login Brute Force Brute-Force	Community	75%

Basic Information

IP Address: 81.0.45.54
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: ES
ASN: AS15704
ISP: Xtra Telecom S.A.

DNS Information

Reverse DNS: static.54.45.0.81.ibercom.com
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 2
First Reported: 14 Jun 2026
Last Reported: 15 Jun 2026, 20:22

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: AS15704

Organization: Xtra Telecom S.A.

Country:

Network Threat Assessment

3/10

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

Network Statistics

Total IPs Monitored

Total Reports

Reports per IP

Network Context

This IP address belongs to Xtra Telecom S.A. (AS15704), which manages 14 IP addresses in our monitoring system. Out of these, 28 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

39 %

Global Threat Ranking

This IP is more threatening than 39% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 841,342 reported IPs worldwide

Threat Level 6/10 avg: 6.3 =

Total Reports 2 avg: 9 --

Network Comparison

Compared against 275 IPs in ASN 15704

Threat Level 6/10 network avg: 5.7 =

Total Reports 2 network avg: 2 +

Network Xtra Telecom S.A. has overall threat level 3/10

Geographic Comparison

Compared against 3,524 IPs in ES

Threat Level 6/10 country avg: 6.2 =

Total Reports 2 country avg: 5 --

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Sunday 1 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

WP Login Brute Force 2

Brute-Force 2

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

Hourly Activity

Peak activity at 20:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

764,514 threat incidents tracked globally • Last 24h: 30,583 Logs

FEED

Top Threat Sources

01

United States US

149,508 19.6%
02

Brazil BR

112,252 14.7%
03

India IN

88,767 11.6%
04

China CN

46,315 6.1%
05

SC SC

29,256 3.8%
06

Germany DE

18,635 2.4%
07

Netherlands NL

18,133 2.4%
08

Pakistan PK

18,114 2.4%
09

Argentina AR

16,415 2.1%
10

Colombia CO

15,226 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.1/10 Avg Threat

36% Avg Confidence

18 High Threat

High-risk network: Majority of related IPs are flagged

Intermediate Threat

Threat Categories

Technical Details

Recommended Mitigations

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

Analyzed high-risk IP addresses