Is IP address 77.91.71.55 dangerous?

Yes, 77.91.71.55 is considered dangerous with a threat level of 10/10. It has been reported 10 times for malicious activities including . We recommend blocking this IP address.

Who owns or operates IP address 77.91.71.55?

IP address 77.91.71.55 is operated by Alferov Aleksey Aleksandrovich (ASN 211486) and is geolocated to RU. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 77.91.71.55?

Yes, blocking 77.91.71.55 is strongly recommended. With a threat level of 10/10 and 10 security reports, this IP poses significant risk. Implement firewall rules to block incoming and outgoing traffic.

How accurate is this threat assessment for 77.91.71.55?

Our threat assessment for 77.91.71.55 has a confidence score of 79%, based on 10 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

77.91.71.55

IPv4 Public

AS211486

Alferov Aleksey Aleksandrovich

10 Reports

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Russia Location

Alferov Aleksey Aleksandr... ASN 211486

10 Reports

Honeypot Data Source

Extreme Threat

IP 77.91.71.55 classified at threat level 10/10 with 10 documented attacks.

Advanced threat indicators confirmed with 79% certainty.

More threatening than 99% of monitored IPs

Threat Categories

Hacking 10

Web App Attack 10

Port Scan 4

Exploited Host 1

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.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over 2 weeks indicates persistent threat actor operations.

First Observed 23. September 2026

Last Activity 7. October 2026

Recent (7 days) 3 incidents

Reputable Network

This IP is hosted on a network (ASN 211486) with generally good reputation. The ISP Alferov Aleksey Aleksandrovich 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.

Long-term blocking recommended.

Reputation Summary

Threat Level 10/10 Critical

Critical

Activity Frequency 8/10 High

Confidence Score 79% Verified

Confidence History

23. Sep 2026 - 7. Oct 2026

79% Current

Stable Trend

Date	Categories	Source	Confidence
7. Oct 2026 New	Hacking Port Scan Web App Attack	Honeypot x3	75%
5. Oct 2026	Hacking Web App Attack Port Scan	Honeypot x3	75%
3. Oct 2026	Hacking Web App Attack Port Scan	Honeypot x3	75%
29. Sep 2026	Web App Attack Hacking	Honeypot x2	75%
28. Sep 2026	Hacking Web App Attack	Honeypot x2	75%
27. Sep 2026	Hacking Web App Attack	Honeypot x2	75%
26. Sep 2026	Hacking Web App Attack Port Scan	Honeypot x3	75%
26. Sep 2026	Hacking Web App Attack	Honeypot x2	75%
24. Sep 2026	Hacking Web App Attack	Honeypot x2	75%
23. Sep 2026	Hacking Web App Attack Exploited Host	Honeypot x3	75%

Basic Information

IP Address: 77.91.71.55
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: RU
ASN: AS211486
ISP: Alferov Aleksey Aleksandrovich

DNS Information

Reverse DNS: None
PTR Record: No
Connection Type: Static

Statistics

Total Reports: 10
First Reported: 23 Sep 2026
Last Reported: 7 Oct 2026, 18:36

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: AS211486

Organization: Alferov Aleksey Aleksandrovich

Country:

Network Threat Assessment

0/10

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 Alferov Aleksey Aleksandrovich (AS211486), which manages 4 IP addresses in our monitoring system. Out of these, 4 have been reported for suspicious activities, resulting in a network-wide threat level of 0/10.

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

99 %

Global Threat Ranking

This IP is more threatening than 99% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 832,725 reported IPs worldwide

Threat Level 10/10 avg: 6.3 ++

Total Reports 10 avg: 9 =

Network Comparison

Compared against 31 IPs in ASN 211486

Threat Level 10/10 network avg: 8.1 +

Total Reports 10 network avg: 468 --

Network Alferov Aleksey Aleksandrovich has overall threat level 0/10

Geographic Comparison

Compared against 13,665 IPs in RU

Threat Level 10/10 country avg: 6.5 ++

Total Reports 10 country avg: 9 =

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

Peak Day 26 Sep 2026 2 reports

Daily Average 0.3 reports/day

Most Active Saturday 3 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 10

Web App Attack 10

Port Scan 4

Exploited Host 1

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

Hourly Activity

Peak activity at 01:00 with 2 reports

Weekly Activity

Geographic Threat Distribution

757,021 threat incidents tracked globally • Last 24h: 29,915 Logs

FEED

Top Threat Sources

01

United States US

148,159 19.6%
02

Brazil BR

111,851 14.8%
03

India IN

87,178 11.5%
04

China CN

46,071 6.1%
05

SC SC

29,252 3.9%
06

Germany DE

18,386 2.4%
07

Netherlands NL

17,983 2.4%
08

Pakistan PK

17,811 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

8.6/10 Avg Threat

71% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Extreme Threat

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

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UFW (Ubuntu)

Windows Firewall

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PDF Report

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