/usr/share/snmp/snmpconf-data/ is in snmpd 5.4.3~dfsg-2.4ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/snmp/snmpconf-data/snmpd-data/
/usr/share/snmp/snmpconf-data/snmpd-data/acl
/usr/share/snmp/snmpconf-data/snmpd-data/basic_setup
/usr/share/snmp/snmpconf-data/snmpd-data/extending
/usr/share/snmp/snmpconf-data/snmpd-data/monitor
/usr/share/snmp/snmpconf-data/snmpd-data/operation
/usr/share/snmp/snmpconf-data/snmpd-data/snmpconf-config
/usr/share/snmp/snmpconf-data/snmpd-data/system
/usr/share/snmp/snmpconf-data/snmpd-data/trapsinks
/usr/share/snmp/snmpconf-data/snmptrapd-data/
/usr/share/snmp/snmpconf-data/snmptrapd-data/authentication
/usr/share/snmp/snmpconf-data/snmptrapd-data/formatting
/usr/share/snmp/snmpconf-data/snmptrapd-data/logging
/usr/share/snmp/snmpconf-data/snmptrapd-data/runtime
/usr/share/snmp/snmpconf-data/snmptrapd-data/snmpconf-config
/usr/share/snmp/snmpconf-data/snmptrapd-data/traphandle