205.141.0.0 - 205.141.63.0 City of Charlotte (NETBLK-CHARLOTTENC) 205.141.64.0 - 205.141.127.0 Green Tree Financial Corporation (NETBLK-GREENTREE) 205.141.128.0 - 205.141.191.0 City of Pittsburgh (NETBLK-PITTNET) 205.141.192.0 - 205.141.231.255 EDS-NNAM (NETBLK-EDS-BLOCK18)