Is IP address 31.28.3.8 dangerous?

Yes, 31.28.3.8 is considered dangerous with a threat level of 10/10. It has been reported 52 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 31.28.3.8?

IP address 31.28.3.8 is operated by Citytelecom LLC (ASN 28762) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 31.28.3.8?

Yes, blocking 31.28.3.8 is strongly recommended. With a threat level of 10/10 and 52 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 31.28.3.8?

Our threat assessment for 31.28.3.8 has a confidence score of 51%, based on 52 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

31.28.3.8

IPv4 Public

AS28762

Citytelecom LLC

52 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

Citytelecom LLC ASN 28762

52 Reports

Honeypot Data Source

Extreme Threat

IP 31.28.3.8 classified at threat level 10/10 with 52 documented attacks.

Advanced threat indicators confirmed with 51% certainty.

More threatening than 98% of monitored IPs

Threat Categories

Hacking 30

SSH 27

Exploited Host 3

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 28762) with generally good reputation. The ISP Citytelecom LLC maintains standard security practices.

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

Security Recommendations

Proactive blocking essential. Significant operational risk detected.

Continue monitoring for emerging patterns.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 0/10 Inactive

Confidence Score 51% High Confidence

Confidence History

9. Sep 2026 - 12. Sep 2026

51% Current

Stable Trend

Date	Categories	Source	Confidence
12. Sep 2026	Hacking SSH	Honeypot x2	75%
12. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking Exploited Host	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	Hacking SSH	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
11. Sep 2026	SSH Hacking	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking Exploited Host	Honeypot x2	75%
10. Sep 2026	SSH Hacking	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
10. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	SSH Hacking	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking Exploited Host	Honeypot x2	75%
9. Sep 2026	SSH Hacking	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%
9. Sep 2026	Hacking SSH	Honeypot x2	75%

Basic Information

IP Address: 31.28.3.8
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS28762
ISP: Citytelecom LLC

DNS Information

Reverse DNS: mx.gbumac.ru
PTR Record: Yes
Connection Type: Static

Statistics

Total Reports: 52
First Reported: 7 Sep 2026
Last Reported: 12 Sep 2026, 16:19

Comparative Analysis

How this IP compares to others in our threat intelligence database

98 %

Global Threat Ranking

This IP is more threatening than 98% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 866,181 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 52 avg: 9 ++

Geographic Comparison

Compared against 14,529 IPs in RU

Threat Level 10/10 country avg: 6.5 ++

Total Reports 52 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 Wednesday 26 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 52

SSH 46

Exploited Host 7

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

Hourly Activity

Peak activity at 00:00 with 4 reports

Weekly Activity

Geographic Threat Distribution

787,056 threat incidents tracked globally • Last 24h: 36,084 Logs

FEED

Top Threat Sources

01

United States US

153,259 19.5%
02

Brazil BR

113,798 14.5%
03

India IN

92,199 11.7%
04

China CN

47,306 6%
05

SC SC

29,282 3.7%
06

Germany DE

19,213 2.4%
07

Pakistan PK

18,915 2.4%
08

Netherlands NL

18,563 2.4%
09

Argentina AR

16,863 2.1%
10

Indonesia ID

15,678 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

IPs from the same country with similar threat profiles.

15 Related IPs

9.2/10 Avg Threat

99% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Confidence 100%

Reports 63

ISP Domain names re...

ISP JSC ER-Telecom ...

Confidence 100%

Reports 18

ISP Consumer Intern...

Confidence 100%

Reports 18

ISP JSC ER-Telecom ...

ISP Joint Stock Com...

ISP PJSC Bashinform...

ISP JSC ER-Telecom ...

IPs with similar threat level and confidence scores.

15 Related IPs

10/10 Avg Threat

51% Avg Confidence

15 High Threat

High-risk network: Majority of related IPs are flagged

Export & Firewall Rules

Download threat data or generate firewall rules to block this IP

JSON Report

Structured data format for integration with security tools and SIEM systems.

{
    "ip_address": "31.28.3.8",
    "threat_level": 10,
    "confidence_score": 51,
    "total_reports": 52,
    "country_code": "RU",
    "isp_name": "Citytelecom LLC",
    "asn": "28762",
    "first_reported": "2026-09-07 18:01:34",
    "last_reported": "2026-09-12 16:19:02",
    "exported_at": "2026-10-14T10:05:42+02:00",
    "source": "https://reportedip.com/ip/31.28.3.8/"
}

Download JSON

Firewall Rules

Ready-to-use blocking rules for common firewall systems.

iptables / netfilter

iptables -A INPUT -s 31.28.3.8 -j DROP
iptables -A OUTPUT -d 31.28.3.8 -j DROP

UFW (Ubuntu)

ufw deny from 31.28.3.8
ufw deny to 31.28.3.8

Windows Firewall

netsh advfirewall firewall add rule name="Block 31.28.3.8" dir=in action=block remoteip=31.28.3.8
netsh advfirewall firewall add rule name="Block 31.28.3.8 Out" dir=out action=block remoteip=31.28.3.8

Cloudflare

# Cloudflare Firewall Rule (IP Access Rules)
# Action: Block
# IP Address: 31.28.3.8

nginx

# Add to server block or location
deny 31.28.3.8;

Apache .htaccess

# Add to .htaccess or Apache config
<RequireAll>
    Require all granted
    Require not ip 31.28.3.8
</RequireAll>

31.28.3.8

Threat Intelligence Analysis

Extreme Threat

Threat Categories

Technical Details

Recommended Mitigations

Reputable Network

Security Recommendations

Reputation Summary

Confidence History

Security Reports (30)

Technical Details

Basic Information

Geolocation

DNS Information

Statistics

Comparative Analysis

Global Threat Ranking

Global Comparison

Geographic Comparison

Activity Trends

Top Threat Categories

Hourly Activity

Weekly Activity

Geographic Threat Distribution

FEED

Top Threat Sources

Related IPs

Export & Firewall Rules

JSON Report

Firewall Rules

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

Analyzed high-risk IP addresses