199.91.0.0 - 199.91.7.0 H.B. Fuller Company (NETBLK-TBLK-HBFNET-9) 199.91.8.0 - 199.91.15.0 Quantum Chemical Corporation (NETBLK-TBLK-QCHEM) 199.91.16.0 - 199.91.31.0 Donaldson, Lufkin, & Jenrette, Inc. (NETBLK-TBLK-DLJ-TFI) 199.91.32.0 - 199.91.41.0 Columbia Health Care (NETBLK-TBLK-COLUMBIAHEALTH)