Buy Class C Ip Address - Block

: Many SEO professionals use multiple Class C IPs to host Private Blog Networks (PBNs) or multiple client sites. Having websites on different Class C blocks prevents search engine crawlers from easily identifying that the sites are owned by the same entity or hosted on the same server, which helps maintain a natural link profile.

Why Class C IP Addresses are Perfect for Small Networks - Larus.net

Purchasing a Class C block is a regulated transfer rather than a simple online transaction. It involves several key steps to ensure legality and technical functionality:

: For high-volume email marketing, a dedicated IP block ensures that the reputation of your sender addresses is not impacted by the "bad neighborhood" effects of shared IPs that might be used for spam. The Acquisition Process