IP Address

172.81.61.121

IPv4 Public
US US
AS398019
DYNU
137 Reports
This IP is on the Blacklist High confidence threat - blocking recommended
10/10 Threat
79% Confidence
137 Reports

Threat Intelligence Analysis

Automated assessment based on aggregated, anonymized threat data

Top 10% High Threat
US
US Location
DYNU ASN 398019
137 Reports
Honeypot Data Source

Critical Threat

IP 172.81.61.121 is classified as a critical security threat (10/10) based on 137 verified reports.

This IP ranks among the most dangerous in our database with 79% confidence from multiple corroborating sources.

More threatening than 94% of monitored IPs

Threat Categories

Hacking 30

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 398019) with generally good reputation. The ISP DYNU maintains standard security practices.

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

Security Recommendations

Immediate blocking recommended. Treat all traffic from this source as hostile.

Continue monitoring for emerging patterns.

This analysis is automatically generated from aggregated, anonymized threat intelligence data. No personal information is displayed or stored. Assessment accuracy depends on available data volume and diversity.

Reputation Summary

Threat Level 10/10 Critical
Critical
Activity Frequency 0/10 Inactive
Confidence Score 59% High Confidence

Confidence History

14. Dec 2025
79% Current
Stable Trend

The confidence score shows the reliability of the threat assessment based on the number and quality of reports.

Security Reports (30)

Date Categories Source Confidence
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%
Hacking Honeypot 75%

Technical Details

Basic Information

IP Address
172.81.61.121
IP Version
IPv4
Network Type
Public
Tor Network
No
Network Class
Class B

Geolocation

Country
US US
ASN
AS398019
ISP
DYNU

DNS Information

Reverse DNS
unassigned.172-81-61-121.spryt.net
PTR Record
Yes
Connection Type
Dynamic

Statistics

Total Reports
137
First Reported
14 Dec 2025
Last Reported
14 Dec 2025, 05:11

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

AS398019
Dynu Systems Incorporated
US US

Network Threat Assessment

2/10
This network appears to be relatively clean with very low threat indicators.

Network Statistics

13
Total IPs Monitored
23,933
Total Reports
1841
Reports per IP

Network Context

This IP address belongs to Dynu Systems Incorporated (AS398019), which manages 13 IP addresses in our monitoring system. Out of these, 23,933 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

94 %

Global Threat Ranking

This IP is more threatening than 94% of all IPs in our database.

Top 10% Most Dangerous

Global Comparison

Compared against 199,502 reported IPs worldwide

Threat Level 10/10 avg: 5.3 ++
Total Reports 137 avg: 23 ++

Network Comparison

Compared against 13 IPs in ASN 398019

Threat Level 10/10 network avg: 9.2 =
Total Reports 137 network avg: 1,841 --
Network DYNU has overall threat level 2/10

Geographic Comparison

Compared against 38,456 IPs in US

Threat Level 10/10 country avg: 5.9 ++
Total Reports 137 country avg: 41 ++
Indicators:
++ Much Higher + Higher = Similar - Lower -- Much Lower

Geographic Threat Distribution

187,140 threat incidents tracked globally • Last 24h: 19,043 Logs

FEED

Top Threat Sources

  1. 01
    US
    United States US THIS IP
    38,446 20.5%
  2. 02
    IN
    India IN
    29,023 15.5%
  3. 03
    CN
    China CN
    26,021 13.9%
  4. 04
    BR
    Brazil BR
    10,256 5.5%
  5. 05
    DE
    Germany DE
    7,142 3.8%
  6. 06
    SG
    Singapore SG
    6,476 3.5%
  7. 07
    ID
    Indonesia ID
    5,539 3%
  8. 08
    RU
    Russia RU
    4,703 2.5%
  9. 09
    PK
    Pakistan PK
    4,654 2.5%
  10. 10
    NL
    Netherlands NL
    4,356 2.3%

+40 more countries

THREAT LEVEL
LOW MED HIGH

Geographic data is aggregated and anonymized. No personal information displayed.

Map: simplemaps.com (MIT License)

Related IPs

Other IPs associated with this address through network or behavioral similarity

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": "172.81.61.121",
    "threat_level": 10,
    "confidence_score": 79,
    "total_reports": 137,
    "country_code": "US",
    "isp_name": "DYNU",
    "asn": "398019",
    "first_reported": "2025-12-14 04:27:50",
    "last_reported": "2025-12-14 05:11:16",
    "exported_at": "2026-06-09T09:11:57+02:00",
    "source": "https://reportedip.de/ip/172.81.61.121/"
}

GDPR Compliant: Exports contain only IP-related threat data. No personal information or reporter details are included.