This is addr on this static IPv4 management address record, the actual fixed IP address configured for this specific management interface, such as a fabric interconnect's mgmt0, instead of one obtained dynamically. This is the exact address an admin pings or SSHes to when managing this specific fabric interconnect out-of-band, and mismatches here versus what's cabled or expected are a common cause of a 'can't reach this FI' ticket. A real value would look like 192.168.1.10, the fixed management address for this interface.