198.23.0.0 - 198.23.25.0 Bell Atlantic (NETBLK-TBLK-BELLATLANTIC) 198.23.17.0 - 198.23.18.0 Bell Atlantic (NETBLK-BELLATLANTIC2) 198.23.32.0 - 198.23.47.0 St. Vincent's Medical Center (NETBLK-TBLK-STVINCENT)