ichu.rcp.net.pe has one IP number , which also has a corresponding reverse pointer. mil.pe, edu.pe, org.pe, sld.pe, com.pe and at least 100 other hosts use this as a nameserver. rcp.net.pe is a domain controlled by two nameservers at rcp.net.pe themselves. They are on different IP networks. Incoming mail for rcp.net.pe is handled by two mailservers also at rcp.net.pe. They are on the same IP network. rcp.net.pe has one IP number. ichu.rcp.net.pe is hosted on a server in Peru.