rs1/ipv4: show route primary protocol pb_0020_as34553

show route primary protocol pb_0020_as34553

Table t_0020_as34553:
66.248.235.0/24      unicast [pb_0020_as34553 2021-01-16 19:15:43] * (100) [AS34553i]
	via 185.1.179.36 on ens19