Allied Telesis AT-S63 - Manual (Page 216)

Chapter 17: IGMP Snooping
216 Section II: Advanced Operations
VLAN ID
The VID of the VLAN where the port is an untagged member.
Member Port/Trunk ID
The port on the switch where the host node is connected. If the host
node is connected to the switch through a trunk, the trunk ID number,
not the port number, is displayed.
Host IP
The IP address of the host node connected to the port.
Version
The version of IGMP used by the host.
Exp. Time
The number of seconds remaining before the host is timed out if no
further IGMP reports are received from it.