/usr/include/ is in libtrilinos-zoltan-dev 12.12.1-5.
This file is owned by root:root, with mode 0o755.
..
/usr/include/trilinos/
/usr/include/trilinos/Zoltan_config.h
/usr/include/trilinos/lbi_const.h
/usr/include/trilinos/zoltan.h
/usr/include/trilinos/zoltan_align.h
/usr/include/trilinos/zoltan_comm.h
/usr/include/trilinos/zoltan_comm_cpp.h
/usr/include/trilinos/zoltan_cpp.h
/usr/include/trilinos/zoltan_dd.h
/usr/include/trilinos/zoltan_dd_const.h
/usr/include/trilinos/zoltan_dd_cpp.h
/usr/include/trilinos/zoltan_eval.h
/usr/include/trilinos/zoltan_mem.h
/usr/include/trilinos/zoltan_partition_tree.h
/usr/include/trilinos/zoltan_timer.h
/usr/include/trilinos/zoltan_timer_cpp.h
/usr/include/trilinos/zoltan_types.h