The feature allows assigning of class E addresses to interfaces by default with no option to turn that off and routing

Routing 4.25.2F E Class Ipv4 Reserved Ipv4

The feature allows the assignment of reserved IPv4 addresses from reserved ranges 240.0.0.0/4 and 0.0.0.0/8 to network interfaces. by default, with no option to turn that off.

Routing Reserved Ipv4 EOS 4.30.0F