Is IP address 5.164.139.63 dangerous?

5.164.139.63 presents moderate risk with a threat level of 4/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 5.164.139.63?

IP address 5.164.139.63 is operated by JSC ER-Telecom Holding (ASN 34533) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 5.164.139.63?

Blocking 5.164.139.63 is advisable for security-sensitive environments. With a threat level of 4/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 5.164.139.63?

Our threat assessment for 5.164.139.63 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

5.164.139.63

IPv4 Public

AS34533

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

Russia Location

JSC ER-Telecom Holding ASN 34533

1 Reports

Honeypot Data Source

Cautionary Risk

IP 5.164.139.63 rated 4/10 from 1 security events.

Mixed behavior profile detected. Confidence: 23%.

More threatening than 1% of monitored IPs

Threat Categories

Email Spam 1

Technical Details

Email spam involves mass distribution of unwanted emails, often for advertising, phishing, or malware delivery.

Recommended Mitigations

Implement SPF, DKIM, DMARC, and use reputable email filtering services.

Reputable Network

This IP is hosted on a network (ASN 34533) 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

Apply balanced security measures based on risk tolerance.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 4/10 Low

Medium

Activity Frequency 2/10 Very Low

Confidence Score 8% Low Confidence

Date	Categories	Source	Confidence
25. Aug 2026	Email Spam	Honeypot	75%

Basic Information

IP Address: 5.164.139.63
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS34533
ISP: JSC ER-Telecom Holding

DNS Information

Reverse DNS: 5x164x139x63.dynamic.samara.ertelecom.ru
PTR Record: Yes
Connection Type: Dynamic

Statistics

Total Reports: 1
First Reported: 25 Aug 2026
Last Reported: 25 Aug 2026, 05:00

Comparative Analysis

How this IP compares to others in our threat intelligence database

1 %

Global Threat Ranking

This IP is more threatening than 1% of all IPs in our database.

Low Threat Percentile

Global Comparison

Compared against 832,561 reported IPs worldwide

Threat Level 4/10 avg: 6.3 -

Total Reports 1 avg: 9 --

Network Comparison

Compared against 29 IPs in ASN 34533

Threat Level 4/10 network avg: 5.4 -

Total Reports 1 network avg: 1 =

Geographic Comparison

Compared against 13,663 IPs in RU

Threat Level 4/10 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 3/10

Current Threat 3/10

Distribution of threat categories reported over time.

Top Threat Categories

Email Spam 1

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

Hourly Activity

Peak activity at 05:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

756,872 threat incidents tracked globally • Last 24h: 29,621 Logs

FEED

Top Threat Sources

01

United States US

148,132 19.6%
02

Brazil BR

111,841 14.8%
03

India IN

87,172 11.5%
04

China CN

46,061 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,367 2.4%
07

Netherlands NL

17,978 2.4%
08

Pakistan PK

17,804 2.4%
09

Argentina AR

16,266 2.1%
10

Colombia CO

15,169 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

5.6/10 Avg Threat

19% Avg Confidence

4 High Threat

Cautionary Risk

Threat Categories

Technical Details

Recommended Mitigations

Reputable Network

Security Recommendations

Basic Information

Geolocation

DNS Information

Statistics

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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