Is IP address 213.121.5.132 dangerous?

Yes, 213.121.5.132 is considered dangerous with a threat level of 10/10. It has been reported 30 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 213.121.5.132?

IP address 213.121.5.132 is operated by British Telecommunications PLC (ASN 2856) and is geolocated to GB. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 213.121.5.132?

Yes, blocking 213.121.5.132 is strongly recommended. With a threat level of 10/10 and 30 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 213.121.5.132?

Our threat assessment for 213.121.5.132 has a confidence score of 78%, based on 30 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

213.121.5.132

IPv4 Public

AS2856

British Telecommunications PLC

30 Reports

GB Location

British Telecommunication... ASN 2856

30 Reports

Honeypot Data Source

Critical Alert

Security alert: 213.121.5.132 rated 10/10 based on 30 verified incidents.

Threat profile indicates sustained malicious activity with 78% confidence rating.

More threatening than 96% of monitored IPs

Threat Categories

Hacking 27

SSH 24

Exploited Host 4

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.

Reputable Network

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

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

Security Recommendations

Implement immediate countermeasures. Well-resourced threat actor identified.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 0/10 Inactive

Confidence Score 59% High Confidence

Confidence History

31. Mar 2026 - 1. Apr 2026

78% Current

Stable Trend

Date	Categories	Source	Confidence
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking Exploited Host SSH	Honeypot x3	75%
1. Apr 2026	Hacking	Honeypot	75%
1. Apr 2026	SSH	Honeypot	75%
1. Apr 2026	Hacking	Honeypot	75%
1. Apr 2026	Hacking	Honeypot	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking SSH	Honeypot x2	75%
1. Apr 2026	Hacking	Honeypot	75%
31. Mar 2026	Hacking Exploited Host SSH	Honeypot x3	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	SSH	Honeypot	75%
31. Mar 2026	Hacking	Honeypot	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Hacking Exploited Host SSH	Honeypot x3	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Exploited Host	Honeypot	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%
31. Mar 2026	Hacking SSH	Honeypot x2	75%

Basic Information

IP Address: 213.121.5.132
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class C

Geolocation

Country: GB
ASN: AS2856
ISP: British Telecommunications PLC

DNS Information

Reverse DNS: host213-121-5-132.range213-121.btcentralplus.com
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 30
First Reported: 31 Mar 2026
Last Reported: 1 Apr 2026, 07:39

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

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 389,893 reported IPs worldwide

Threat Level 10/10 avg: 6.0 ++

Total Reports 30 avg: 15 ++

Network Comparison

Compared against 375 IPs in ASN 2856

Threat Level 10/10 network avg: 6.1 ++

Total Reports 30 network avg: 2 ++

Network British Telecommunications PLC has overall threat level 2/10

Geographic Comparison

Compared against 6,991 IPs in GB

Threat Level 10/10 country avg: 6.1 ++

Total Reports 30 country avg: 22 +

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

Peak Day 0 reports

Daily Average 0 reports/day

Most Active Tuesday 15 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 27

SSH 24

Exploited Host 4

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

Hourly Activity

Peak activity at 06:00 with 5 reports

Weekly Activity

Geographic Threat Distribution

362,192 threat incidents tracked globally • Last 24h: 17,983 Logs

FEED

Top Threat Sources

01

United States US

86,791 24%
02

India IN

56,125 15.5%
03

China CN

38,672 10.7%
04

Brazil BR

29,251 8.1%
05

Germany DE

11,783 3.3%
06

Pakistan PK

9,810 2.7%
07

Indonesia ID

9,311 2.6%
08

Singapore SG

9,064 2.5%
09

France FR

7,271 2%
10

Russia RU

7,263 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.3/10 Avg Threat

76% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Critical Alert

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