Extreme Threat
IP 121.204.171.142 classified at threat level 10/10 with 54 documented attacks.
Advanced threat indicators confirmed with 75% certainty.
More threatening than 99% of monitored IPs
IP Address
121.204.171.142
IPv4
Public
CN
Threat Intelligence Analysis
Automated assessment based on aggregated, anonymized threat data
Top 5% Most Dangerous
CN
Location
Fuzhou
ASN 133774
54
Reports
Mixed
Data Source
Threat Categories
SSH
26
Hacking
8
Exploited Host
3
Brute-Force
2
Technical Details
SSH attacks attempt to gain server access through password guessing or exploitation of SSH vulnerabilities.
Recommended Mitigations
Use key-based authentication, change default ports, implement fail2ban, and disable root login.
Behavioral Analysis
Activity Pattern:
Consistent Activity
Steady malicious activity over 3 weeks indicates persistent threat actor operations.
First Observed
2. September 2026
Last Activity
28. September 2026
Recent (7 days)
2 incidents
Moderate Network Risk
The network hosting this IP (ASN 133774, operated by Fuzhou) shows moderate threat indicators. Some concerning activity has been detected from neighboring addresses.
Consider the network context when assessing this individual IP.
Security Recommendations
Proactive blocking essential. Significant operational risk detected.
Long-term blocking recommended.
Reputation Summary
Threat Level
10/10
Critical
Critical
Activity Frequency
1/10
Very Low
Confidence Score
75%
High Confidence
Confidence History
28. Feb 2026 - 28. Sep 2026
75%
Current
Stable
Trend
Security Reports (30)
| Date | Categories | Source | Confidence |
|---|---|---|---|
| SSH Brute-Force | Community | 75% | |
| Brute-Force SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| Hacking | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| Hacking | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH Hacking | Honeypot x2 | 75% | |
| Exploited Host | Honeypot | 75% | |
| Hacking SSH | Honeypot x2 | 75% | |
| SSH | Honeypot | 75% | |
| Exploited Host Hacking SSH | Honeypot x3 | 75% | |
| Hacking SSH | Honeypot x2 | 75% | |
| SSH Hacking | Honeypot x2 | 75% | |
| Exploited Host | Honeypot | 75% | |
| Hacking SSH | Honeypot x2 | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% | |
| SSH | Honeypot | 75% |
Technical Details
Basic Information
- IP Address
- 121.204.171.142
- IP Version
- IPv4
- Network Type
- Public
- Tor Network
- No
- Network Class
- Class A
Geolocation
- Country
-
CN
- ASN
- AS133774
- ISP
- Fuzhou
DNS Information
- Reverse DNS
- None
- PTR Record
- No
- Connection Type
- Static
Statistics
- Total Reports
- 54
- First Reported
- 20 Feb 2026
- Last Reported
- 28 Sep 2026, 08:38
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
AS133774
Fuzhou
CN
Network Threat Assessment
4/10
This network has low threat indicators with minimal suspicious activity.
Network Statistics
17
Total IPs Monitored
512
Total Reports
30.1
Reports per IP
Network Context
This IP address belongs to Fuzhou (AS133774), which manages 17 IP addresses in our monitoring system. Out of these, 512 have been reported for suspicious activities, resulting in a network-wide threat level of 4/10.
Network notice:
This network shows some suspicious activity patterns. Monitor interactions with IPs from this ASN.
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 DangerousGlobal Comparison
Compared against 805,469 reported IPs worldwide
Threat Level
10/10
avg: 6.3
++
Total Reports
54
avg: 9
++
Network Comparison
Compared against 36 IPs in ASN 133774
Threat Level
10/10
network avg: 8.5
+
Total Reports
54
network avg: 19
++
Network Fuzhou has overall threat level 4/10
Geographic Comparison
Compared against 44,688 IPs in CN
Threat Level
10/10
country avg: 7.4
+
Total Reports
54
country avg: 5
++
Activity Trends
Daily report activity over the last 30 days showing patterns and peaks.
Peak Day
2 Sep 2026
1 reports
Daily Average
0.1
reports/day
Most Active
Thursday
14 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
SSH
50
Hacking
8
Exploited Host
3
Brute-Force
2
Activity patterns showing when this IP is most active during the day and week.
Hourly Activity
Peak activity at 17:00 with 7 reports
Weekly Activity
Geographic Threat Distribution
732,564 threat incidents tracked globally • Last 24h: 28,865 Logs
FEED
Top Threat Sources
-
01
United States143,097 19.5% -
02
Brazil110,689 15.1%
-
03
India82,024 11.2%
-
04
China44,688 6.1%
-
05
SC29,232 4%
-
06
Netherlands17,444 2.4%
-
07
Germany17,413 2.4%
-
08
Pakistan16,575 2.3%
-
09
Argentina16,184 2.2%
-
10
Colombia15,130 2.1%
+40 more countries
THREAT LEVEL
LOW
MED
HIGH
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Other IPs associated with this address through network or behavioral similarity
IPs from the same Autonomous System (AS) network provider.
20
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8.6/10
Avg Threat
35%
Avg Confidence
19
High Threat
High-risk network: Majority of related IPs are flagged
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10/10
Confidence
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Location
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Confidence
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Location
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Location
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Location
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CN
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Confidence
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Reports
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Location
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CN
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Confidence
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Reports
15
Location
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CN
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Confidence
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1
Location
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CN
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Confidence
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Reports
1
Location
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CN
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Confidence
18%
Reports
1
Location
CN
CN
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10/10
Confidence
17%
Reports
6
Location
CN
CN
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7/10
Confidence
17%
Reports
1
Location
CN
CN
27.155.120.60
10/10
Confidence
16%
Reports
52
Location
CN
CN
27.155.77.43
10/10
Confidence
13%
Reports
40
Location
CN
CN
150.242.97.36
7/10
Confidence
12%
Reports
2
Location
CN
CN
27.0.135.12
7/10
Confidence
11%
Reports
1
Location
CN
CN
121.204.146.140
7/10
Confidence
5%
Reports
2
Location
CN
CN
27.156.3.21
7/10
Confidence
5%
Reports
2
Location
CN
CN
121.204.160.32
10/10
Confidence
3%
Reports
13
Location
CN
CN
IPs from the same country with similar threat profiles.
15
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9.9/10
Avg Threat
99%
Avg Confidence
15
High Threat
High-risk network: Majority of related IPs are flagged
118.121.202.149
10/10
Confidence
100%
Reports
17
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16
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16
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15
ISP
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100%
Reports
15
ISP
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Confidence
100%
Reports
14
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118.145.246.44
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Confidence
100%
Reports
13
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Confidence
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ISP
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ISP
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Reports
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Reports
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IPs with similar threat level and confidence scores.
15
Related IPs
8.9/10
Avg Threat
75%
Avg Confidence
15
High Threat
High-risk network: Majority of related IPs are flagged
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10/10
Confidence
75%
Reports
10,327
Location
NL
NL
2.57.121.25
10/10
Confidence
75%
Reports
4,476
Location
RO
RO
165.227.188.42
8/10
Confidence
75%
Reports
3,156
Location
US
US
165.227.110.45
8/10
Confidence
75%
Reports
3,086
Location
US
US
152.32.189.128
10/10
Confidence
75%
Reports
3,073
Location
HK
HK
152.32.189.121
10/10
Confidence
75%
Reports
3,014
Location
HK
HK
152.32.172.108
8/10
Confidence
75%
Reports
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Location
HK
HK
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10/10
Confidence
75%
Reports
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Location
HK
HK
62.171.176.188
10/10
Confidence
75%
Reports
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Location
FR
FR
184.105.247.194
8/10
Confidence
75%
Reports
1,748
Location
US
US
71.6.135.131
8/10
Confidence
75%
Reports
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Location
US
US
64.62.156.162
8/10
Confidence
75%
Reports
1,009
Location
US
US
158.94.209.193
10/10
Confidence
75%
Reports
1,005
Location
NL
NL
167.94.146.60
8/10
Confidence
75%
Reports
1,000
Location
US
US
65.49.1.162
8/10
Confidence
75%
Reports
972
Location
US
US