ethernetInterfaceStatelessAutoConfigAddressesPrefixLen 1.3.6.1.4.1.19046.11.1.3.4.1.4.5.3.3.2.1.3

The stateless Auto-Configration address prefix length. NOTE: If ethernetInterfaceIPv6StatelessAutoConfigEnabled or ethernetInterfaceIPv6Enabled is currently disabled, this object will show nothing.