Is IP address 120.55.99.107 dangerous?

120.55.99.107 presents moderate risk with a threat level of 6/10. While not critically dangerous, it has been associated with activity. Monitoring and conditional blocking is recommended.

Who owns or operates IP address 120.55.99.107?

IP address 120.55.99.107 is operated by Hangzhou Alibaba Advertising Co.,Ltd. (ASN 37963) and is geolocated to CN. This information is derived from public WHOIS and geolocation databases.

Should I block IP address 120.55.99.107?

Blocking 120.55.99.107 is advisable for security-sensitive environments. With a threat level of 6/10, consider implementing conditional blocks or rate limiting.

How accurate is this threat assessment for 120.55.99.107?

Our threat assessment for 120.55.99.107 has a confidence score of 23%, based on 1 independent reports from multiple independent sources. Higher confidence scores indicate more reliable assessments.

IP Address

120.55.99.107

IPv4 Public

AS37963

Hangzhou Alibaba Advertising Co.,Ltd.

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

China Location

Hangzhou Alibaba Advertis... ASN 37963

1 Reports

Community Data Source

Medium Threat

Medium risk rating 6/10 for IP 120.55.99.107 based on 1 incidents.

Suspicious behavior markers present. 23% confidence level.

More threatening than 46% of monitored IPs

Threat Categories

FTP Brute-Force 1

Brute-Force 1

Technical Details

FTP brute-force attacks systematically attempt to guess FTP credentials to gain unauthorized file access.

Recommended Mitigations

Disable FTP in favor of SFTP, implement fail2ban, and enforce strong password policies.

Behavioral Analysis

Activity Pattern: Consistent Activity

Steady malicious activity over less than a day indicates persistent threat actor operations.

First Observed 9. October 2026

Last Activity 9. October 2026

Recent (7 days) 1 incidents

Reputable Network

This IP is hosted on a network (ASN 37963) with generally good reputation. The ISP Hangzhou Alibaba Advertising Co.,Ltd. maintains standard security practices.

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

Security Recommendations

Monitor traffic patterns. Review logs periodically for escalation.

Long-term blocking recommended.

Reputation Summary

Threat Level 6/10 Medium

High

Activity Frequency 2/10 Very Low

Confidence Score 23% Low Confidence

Date	Categories	Source	Confidence
9. Oct 2026 New	FTP Brute-Force Brute-Force	Community	75%

Basic Information

IP Address: 120.55.99.107
IP Version: IPv4
Network Type: Public
Tor Network: No
Network Class: Class A

Geolocation

Country: CN
ASN: AS37963
ISP: Hangzhou Alibaba Advertising Co.,Ltd.

DNS Information

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

Statistics

Total Reports: 1
First Reported: 9 Oct 2026
Last Reported: 9 Oct 2026, 15:40

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: AS37963

Organization: Hangzhou Alibaba Advertising Co.,Ltd.

Country:

Network Threat Assessment

3/10

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

Network Statistics

616

Total IPs Monitored

5,895

Total Reports

9.6

Reports per IP

Network Context

This IP address belongs to Hangzhou Alibaba Advertising Co.,Ltd. (AS37963), which manages 616 IP addresses in our monitoring system. Out of these, 5,895 have been reported for suspicious activities, resulting in a network-wide threat level of 3/10.

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

46 %

Global Threat Ranking

This IP is more threatening than 46% of all IPs in our database.

Below Average Threat

Global Comparison

Compared against 841,865 reported IPs worldwide

Threat Level 6/10 avg: 6.3 =

Total Reports 1 avg: 9 --

Network Comparison

Compared against 1,802 IPs in ASN 37963

Threat Level 6/10 network avg: 7.4 -

Total Reports 1 network avg: 6 --

Network Hangzhou Alibaba Advertising Co.,Ltd. has overall threat level 3/10

Geographic Comparison

Compared against 46,341 IPs in CN

Threat Level 6/10 country avg: 7.4 -

Total Reports 1 country avg: 5 --

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

Peak Day 9 Oct 2026 1 reports

Daily Average 0 reports/day

Most Active Friday 1 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

FTP Brute-Force 1

Brute-Force 1

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

Hourly Activity

Peak activity at 15:00 with 1 reports

Weekly Activity

Geographic Threat Distribution

765,257 threat incidents tracked globally • Last 24h: 30,440 Logs

FEED

Top Threat Sources

01

United States US

149,622 19.6%
02

Brazil BR

112,308 14.7%
03

India IN

88,893 11.6%
04

China CN THIS IP

46,341 6.1%
05

SC SC

29,257 3.8%
06

Germany DE

18,678 2.4%
07

Netherlands NL

18,147 2.4%
08

Pakistan PK

18,146 2.4%
09

Argentina AR

16,437 2.1%
10

Colombia CO

15,232 2%

+40 more countries

THREAT LEVEL

LOW MED HIGH

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

20 Related IPs

9.7/10 Avg Threat

83% Avg Confidence

20 High Threat

High-risk network: Majority of related IPs are flagged

Medium 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

iptables / netfilter

UFW (Ubuntu)

Windows Firewall

Cloudflare

nginx

Apache .htaccess

PDF Report

Analyzed high-risk IP addresses