You can view PIM information for the master instance with the show pim command. You can see information on the PIM routing instance with the show pim (rps | join extensive) instance instance-name command. Output verifying the SP-RP (10.254.71.47) as well as the VPN C-RP (10.254.245.91) follows.
user@PE0> show pim rps
Instance: PIM.master Family: INET RP address Type Holdtime Timeout Active groups Group prefixes 10.254.71.47 static 0 None 1 224.0.0.0/4 Family: INET6 RP address Type Holdtime Timeout Active groups Group prefixes user@PE0> show pim rps instance VPN-A Instance: PIM.VPN-A Family: INET RP address Type Holdtime Timeout Active groups Group prefixes 10.254.245.91 static 0 None 0 224.0.0.0/4 Family: INET6 RP address Type Holdtime Timeout Active groups Group prefixes