Allied Telesis AT-S63 - Manual (Page 311)

AT-S63 Management Software Menus User’s Guide
Section III: IGMP Snooping, MLD Snooping, and RRP Snooping 311
node is connected to the switch through a trunk, the trunk ID number,
not the port number, is displayed.
HostIP
The IP address of the host node connected to the port.
Exp. Time
The number of seconds remaining before the host is timed out if no
further MLD reports are received from it.