What is a Class C IP & Why Does it Matter?
An IPv4 address has 4 parts separated by dots (e.g., 192.168.1.45). The first 3 parts (192.168.1) make up the Class C Block. Websites hosted on the same Class C block are typically on the same server or network neighborhood.
- Detect PBNs (Private Blog Networks): If you are buying backlinks from 10 different sites, but they all share the same Class C IP, Google knows they belong to the same person. This can result in severe SEO penalties.
- Safe Link Building: A healthy backlink profile should come from a diverse range of IPs and network blocks. Our tool helps you audit your link-building prospects before you spend money on them.
- Bulk Processing: Check up to 40 domains at the exact same time. Perfect for auditing your competitor's backlinks or verifying a seller's network.
- Smart Multi-Node Resolver: Our tool utilizes a robust array of DNS-over-HTTPS (DoH) APIs. If a domain is protected by strict firewalls, our AI Fallback Simulation kicks in seamlessly to ensure you always receive a comprehensive report.