It is right there in the fifth field.
L1dlevel 1 data cache.L1ilevel 1 instruction cache.L2level 2 cache.L3level 3 (last level) cache.
Looking at the table, the L1 and L2 caches are private, but all the processors in a same socket (there are two sockets) share the same L3 cache.
The fact that the same information repeats twice indicates that you have a multithreading system.