Is IP address 86.172.81.156 dangerous?

86.172.81.156 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 86.172.81.156?

IP address 86.172.81.156 is operated by British Telecommunications Limited (ASN 2856) and is geolocated to GB. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 86.172.81.156?

Blocking 86.172.81.156 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 86.172.81.156?

Our threat assessment for 86.172.81.156 has a confidence score of 35%, based on 2 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

86.172.81.156

IPv4 Public

AS2856

British Telecommunications Limited

2 Reports

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United Kingdom Location

British Telecommunication... ASN 2856

2 Reports

Honeypot Data Source

Measured Risk

IP 86.172.81.156 threat rating: 6/10 from 2 observations.

Attention-worthy behavior detected. Confidence: 35%.

More threatening than 66% of monitored IPs

Threat Categories

Fraud VoIP 2

Technical Details

VoIP fraud exploits phone systems to make unauthorized calls, often to premium rate numbers for financial gain.

Recommended Mitigations

Implement call authentication, monitor call patterns, and restrict international/premium rate dialing.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 3 days indicates persistent threat actor operations.

First Observed 25. October 2026

Last Activity 28. October 2026

Recent (7 days) 2 incidents

Reputable Network

This IP is hosted on a network (ASN 2856) with generally good reputation. The ISP British Telecommunications Limited maintains standard security practices.

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

Security Recommendations

Standard security protocols sufficient. Monitor but no immediate blocking required.

Long-term blocking recommended.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 2/10 Very Low

Confidence Score 35% Medium Confidence

Confidence History

25. Oct 2026 - 28. Oct 2026

35% Current

Stable Trend

Date	Categories	Source	Confidence
28. Oct 2026 New	Fraud VoIP	Honeypot	75%
25. Oct 2026	Fraud VoIP	Honeypot	75%

Basic Information

IP Address: 86.172.81.156
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: GB
ASN: AS2856
ISP: British Telecommunications Limited

DNS Information

Reverse DNS: host86-172-81-156.range86-172.btcentralplus.com
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 2
First Reported: 27 Oct 2026
Last Reported: 28 Oct 2026, 11:01

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: AS2856

Organization: British Telecommunications PLC

Country:

Network Threat Assessment

2/10

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

Network Statistics

Total IPs Monitored

420

Total Reports

10.5

Reports per IP

Network Context

This IP address belongs to British Telecommunications PLC (AS2856), which manages 40 IP addresses in our monitoring system. Out of these, 420 have been reported for suspicious activities, resulting in a network-wide threat level of 2/10.

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

66 %

Global Threat Ranking

This IP is more threatening than 66% of all IPs in our database.

Above Average Threat

Global Comparison

Compared against 1,289,830 reported IPs worldwide

Threat Level 6/10 avg: 6.0 =

Total Reports 2 avg: 7 --

Network Comparison

Compared against 781 IPs in ASN 2856

Threat Level 6/10 network avg: 6.1 =

Total Reports 2 network avg: 2 =

Network British Telecommunications Limited has overall threat level 2/10

Geographic Comparison

Compared against 19,356 IPs in GB

Threat Level 6/10 country avg: 6.5 =

Total Reports 2 country avg: 12 --

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

Peak Day 25 Oct 2026 1 reports

Daily Average 0.1 reports/day

Most Active Sunday 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

Fraud VoIP 2

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

Hourly Activity

Peak activity at 11:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

1,175,091 threat incidents tracked globally • Last 24h: 30,545 Logs

FEED

Top Threat Sources

01

Brazil BR

258,450 22%
02

United States US

199,157 16.9%
03

India IN

102,425 8.7%
04

China CN

49,553 4.2%
05

Argentina AR

41,931 3.6%
06

SC SC

29,411 2.5%
07

Mexico MX

27,417 2.3%
08

Russia RU

26,458 2.3%
09

Colombia CO

24,016 2%
10

Germany DE

22,734 1.9%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

8.4/10 Avg Threat

48% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Measured Risk

Threat Categories

Technical Details

Recommended Mitigations

Behavioral Analysis

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

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