A: "C" refers to /24 subnets (256 IPs each). 4C means your IPs come from 4 different /24 subnets. 8C gives 8 different subnets. iWebFusion specializes in mixed-C allocations starting at 109−164/month for 208−244IPs,with extra IPs at 109−164/month for2 08−244IPs,with extra IPs at 1 each monthly.