199.195.0.0 - 199.195.4.0 Sales Technologies, Inc. (NETBLK-SALESTECH2) 199.195.8.0 - 199.195.12.0 Columbus Line, Inc. (NETBLK-COLUMBUSLINE2) 199.195.16.0 - 199.195.31.0 Douglas County Data Processing (NETBLK-TBLK-DOUGLASCTYOR) 199.195.32.0 - 199.195.51.0 Bell Atlantic Data Network Control Center (DNCC) (NETBLK-BAP-FST-PKT) 199.195.64.0 - 199.195.113.0 Paradise Valley School District (NETBLK-PVUSD)