IBM SC30-3865-04 - Manual (Page 278)

Age (secs)
The current age, in seconds, for the entry. If a router does not
receive a routing update about a service node that is in the routing
table at least every 360 seconds (6 minutes), the router removes
the entry for that service node from the routing table.
Route
Use the route command to view an entry from the routing table.
Syntax:
route given address
given address
The network address of the service node.
Example: route 30622222
Net Address Next Hop Nbr Addr Nbr Intf Metric Age (secs)
----------- ----------------- -------- ------ ----------
30622222 30622222:0001 Eth/0 2 30
VINES Monitoring Commands (Talk 5)
248 MRS V3.2 Protocol Config Ref Vol 2