103.73.55.121
IP Risk Score: 90 / 100
This IP is considered potentially malicious and poses a serious security threat. Activity from this IP is consistent with active and malicious behavior. This assessment is backed by strong and consistent detection signals. The IP represents a severe and confirmed security risk. Immediate blocking or mitigation is strongly recommended.
What is this IP address?
Australia (AU)
Conf. level: 100 / 100
Properties
Observed Client Profile
- OS: macOS (100%)
- Device Type: Desktop (100%)
- Browser Family: Chrome (100%)
- Rendering Engine: Gecko (100%)
Behavioral Indicators
The IP address exhibits suspicious behavior, including the use of a malformed user-agent and lack of JavaScript support, indicating potential automated activity. It is also associated with a proxy, which raises further concerns about the legitimacy of the traffic.
The supernet (103.73.0.0/16), which this IP belongs to, exhibits coordinated behavior characterized by repetitive, low-interaction visits to a specific website, utilizing a limited set of user agents across multiple IPs. This suggests potential automation or scraping activity, particularly given the presence of proxy IPs and the lack of legitimate DNS resolution.
JavaScript Support
⚠️ NoUser-Agent Samples
- Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
IP Location
Region: New South Wales, Australia
City: Sydney
Local time: 2026-06-28 10:15:52