/usr/lib/tiger/systems/IRIX/4/ is in tiger-otheros 1:3.2.3-14.3.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/tiger/systems/IRIX/4/4.0.5/
/usr/lib/tiger/systems/IRIX/4/4.0.5/IP12/
/usr/lib/tiger/systems/IRIX/4/4.0.5/IP12/config
/usr/lib/tiger/systems/IRIX/4/4.0.5/IP12/signatures
/usr/lib/tiger/systems/IRIX/4/4.0.5/IP17/
/usr/lib/tiger/systems/IRIX/4/4.0.5/IP17/config
/usr/lib/tiger/systems/IRIX/4/4.0.5/IP17/signatures
/usr/lib/tiger/systems/IRIX/4/4.0.5F/
/usr/lib/tiger/systems/IRIX/4/4.0.5F/IP12/
/usr/lib/tiger/systems/IRIX/4/4.0.5F/IP12/config
/usr/lib/tiger/systems/IRIX/4/4.0.5F/IP12/signatures
/usr/lib/tiger/systems/IRIX/4/4.0.5F/IP20/
/usr/lib/tiger/systems/IRIX/4/4.0.5F/IP20/config
/usr/lib/tiger/systems/IRIX/4/4.0.5F/IP20/signatures
/usr/lib/tiger/systems/IRIX/4/4.0.5H/
/usr/lib/tiger/systems/IRIX/4/4.0.5H/IP22/
/usr/lib/tiger/systems/IRIX/4/4.0.5H/IP22/config
/usr/lib/tiger/systems/IRIX/4/4.0.5H/IP22/signatures
/usr/lib/tiger/systems/IRIX/4/check_cron
/usr/lib/tiger/systems/IRIX/4/config
/usr/lib/tiger/systems/IRIX/4/file_access_list
/usr/lib/tiger/systems/IRIX/4/gen_alias_sets
/usr/lib/tiger/systems/IRIX/4/gen_bootparam_sets
/usr/lib/tiger/systems/IRIX/4/gen_cron
/usr/lib/tiger/systems/IRIX/4/gen_export_sets
/usr/lib/tiger/systems/IRIX/4/gen_group_sets
/usr/lib/tiger/systems/IRIX/4/gen_inetd
/usr/lib/tiger/systems/IRIX/4/gen_mounts
/usr/lib/tiger/systems/IRIX/4/gen_passwd_sets
/usr/lib/tiger/systems/IRIX/4/gen_services
/usr/lib/tiger/systems/IRIX/4/gendlclients
/usr/lib/tiger/systems/IRIX/4/inetd
/usr/lib/tiger/systems/IRIX/4/services
/usr/lib/tiger/systems/IRIX/4/suid_list