Use the show ip igmp access command to display information about the IGMP multicast access control groups. The syntax for this command is as follows.
show ip igmp access [vrf WORD <0–16>] [vrfids WORD <0–512>]

Note
This command is not supported on a node configured as the DvR Leaf within a DvR domain.
The following table shows the field descriptions for this command.
| Field | Description | 
|---|---|
| INTERFACE | Identifies the interface where multicast access control is configured. | 
| GRP PREFIX | Shows an alphanumeric string that identifies the name of the access policy. | 
| HOSTADDR | Shows the IP address of the host. | 
| HOSTMASK | Shows the subnet mask used to determine the host or hosts covered by this configuration. You can use the host subnet mask to restrict access to a portion of the host network. | 
| ACCESSMODE | Specifies the action of the access policy. The actions are: 
 |