Is IP address 81.4.151.90 dangerous?

Yes, 81.4.151.90 is considered dangerous with a threat level of 7/10. It has been reported 2 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 81.4.151.90?

IP address 81.4.151.90 is operated by Cyprus Telecommunications Authority (ASN 6866) and is geolocated to CY. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 81.4.151.90?

Yes, blocking 81.4.151.90 is strongly recommended. With a threat level of 7/10 and 2 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 81.4.151.90?

Our threat assessment for 81.4.151.90 has a confidence score of 36%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

81.4.151.90

IPv4 Public

AS6866

Cyprus Telecommunications Authority

2 Reports

Cyprus Location

Cyprus Telecommunications... ASN 6866

2 Reports

Honeypot Data Source

Elevated Risk

Elevated threat level 7/10 for IP 81.4.151.90 from 2 reported incidents.

Behavioral profile indicates cyber threat activity with 36% confidence.

More threatening than 70% of monitored IPs

Threat Categories

Hacking 2

Technical Details

General hacking activity includes various intrusion attempts, exploitation of vulnerabilities, and unauthorized access attempts.

Recommended Mitigations

Keep systems patched, implement intrusion detection, and follow security best practices.

Behavioral Analysis

Activity Pattern: Consistent Activity

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

First Observed 29. July 2026

Last Activity 29. July 2026

Recent (7 days) 0 incidents

Moderate Network Risk

The network hosting this IP (ASN 6866, operated by Cyprus Telecommunications Authority) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.

Consider the network context when assessing this individual IP.

Security Recommendations

Enhanced monitoring recommended. Review logs for interactions with this IP.

Long-term blocking recommended.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 2/10 Very Low

Confidence Score 32% Medium Confidence

Confidence History

7. Jul 2026 - 29. Jul 2026

36% Current

Stable Trend

Date	Categories	Source	Confidence
29. Jul 2026	Hacking	Honeypot	75%
7. Jul 2026	Hacking	Honeypot	75%

Basic Information

IP Address: 81.4.151.90
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: CY
ASN: AS6866
ISP: Cyprus Telecommunications Authority

DNS Information

Reverse DNS: sip.astrobank.com
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 2
First Reported: 7 Jul 2026
Last Reported: 29 Jul 2026, 22:18

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: AS6866

Organization: Cyprus Telecommunications Authority

Country:

Network Threat Assessment

5/10

This network has low threat indicators with minimal suspicious activity.

Network Statistics

Total IPs Monitored

Total Reports

5.4

Reports per IP

Network Context

This IP address belongs to Cyprus Telecommunications Authority (AS6866), which manages 5 IP addresses in our monitoring system. Out of these, 27 have been reported for suspicious activities, resulting in a network-wide threat level of 5/10.

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

70 %

Global Threat Ranking

This IP is more threatening than 70% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 312,539 reported IPs worldwide

Threat Level 7/10 avg: 6.0 +

Total Reports 2 avg: 18 --

Network Comparison

Compared against 23 IPs in ASN 6866

Threat Level 7/10 network avg: 6.8 =

Total Reports 2 network avg: 4 -

Network Cyprus Telecommunications Authority has overall threat level 5/10

Geographic Comparison

Compared against 60 IPs in CY

Threat Level 7/10 country avg: 6.3 =

Total Reports 2 country avg: 3 -

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

Peak Day 29 Jul 2026 1 reports

Daily Average 0 reports/day

Most Active Tuesday 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

Hacking 2

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

Hourly Activity

Peak activity at 22:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

292,711 threat incidents tracked globally • Last 24h: 17,660 Logs

FEED

Top Threat Sources

01

United States US

65,787 22.5%
02

India IN

49,120 16.8%
03

China CN

35,633 12.2%
04

Brazil BR

15,556 5.3%
05

Germany DE

10,500 3.6%
06

Pakistan PK

8,479 2.9%
07

Indonesia ID

8,404 2.9%
08

Singapore SG

8,312 2.8%
09

Russia RU

6,394 2.2%
10

Netherlands NL

6,295 2.2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

7/10 Avg Threat

38% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged