Is IP address 5.19.243.221 dangerous?

Yes, 5.19.243.221 is considered dangerous with a threat level of 7/10. It has been reported 1 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 5.19.243.221?

IP address 5.19.243.221 is operated by JSC ER-Telecom Holding (ASN 41733) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 5.19.243.221?

Yes, blocking 5.19.243.221 is strongly recommended. With a threat level of 7/10 and 1 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 5.19.243.221?

Our threat assessment for 5.19.243.221 has a confidence score of 19%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

5.19.243.221

IPv4 Public

AS41733

JSC ER-Telecom Holding

1 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

RU Location

JSC ER-Telecom Holding ASN 41733

1 Reports

Honeypot Data Source

Significant Threat

IP 5.19.243.221 identified as significant threat (7/10) from 1 events.

Multiple malicious indicators detected. Confidence level: 19%.

More threatening than 77% of monitored IPs

Threat Categories

Exploited Host 1

Technical Details

This IP belongs to a compromised system being used as an attack platform without the owner's knowledge.

Recommended Mitigations

Block the IP and consider notifying the hosting provider or system owner about the compromise.

Reputable Network

This IP is hosted on a network (ASN 41733) with generally good reputation. The ISP JSC ER-Telecom Holding maintains standard security practices.

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

Security Recommendations

Implement rate limiting or temporary blocking measures.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 7/10 High

High

Activity Frequency 0/10 Inactive

Confidence Score 0% Unverified

Date	Categories	Source	Confidence
3. Feb 2026	Exploited Host	Honeypot x4	75%

Basic Information

IP Address: 5.19.243.221
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS41733
ISP: JSC ER-Telecom Holding

DNS Information

Reverse DNS: 5x19x243x221.static-business.spb.ertelecom.ru
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 1
First Reported: 3 Feb 2026
Last Reported: 4 Feb 2026, 04:16

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: AS41733

Organization: JSC ER-Telecom Holding

Country:

Network Threat Assessment

2/10

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 JSC ER-Telecom Holding (AS41733), which manages 6 IP addresses in our monitoring system. Out of these, 96 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

77 %

Global Threat Ranking

This IP is more threatening than 77% of all IPs in our database.

High Threat Percentile

Global Comparison

Compared against 834,037 reported IPs worldwide

Threat Level 7/10 avg: 6.3 =

Total Reports 1 avg: 9 --

Network Comparison

Compared against 20 IPs in ASN 41733

Threat Level 7/10 network avg: 7.4 =

Total Reports 1 network avg: 8 --

Network JSC ER-Telecom Holding has overall threat level 2/10

Geographic Comparison

Compared against 13,677 IPs in RU

Threat Level 7/10 country avg: 6.5 =

Total Reports 1 country avg: 9 --

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

Peak Day 0 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

Exploited Host 1

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

Hourly Activity

Peak activity at 23:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

758,233 threat incidents tracked globally • Last 24h: 31,369 Logs

FEED

Top Threat Sources

01

United States US

148,440 19.6%
02

Brazil BR

111,910 14.8%
03

India IN

87,350 11.5%
04

China CN

46,134 6.1%
05

SC SC

29,253 3.9%
06

Germany DE

18,467 2.4%
07

Netherlands NL

18,034 2.4%
08

Pakistan PK

17,848 2.4%
09

Argentina AR

16,274 2.1%
10

Colombia CO

15,173 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

19 Related IPs

7.4/10 Avg Threat

17% Avg Confidence

12 High Threat

High-risk network: Majority of related IPs are flagged

Significant 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

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