idmap dump -n
wingroup:Authenticated Users    ==      gid:2147483651
winuser:Guest@samba.triple3     <=      uid:2147483649
winuser:Guest@samba.triple3     =>      unixuser:bob
gsid:S-1-5-21-2113796271-418137714-3910258897-2147484648        ==      unixgroup:sales
usid:S-1-5-21-2113796271-418137714-3910258897-2001      ==      unixuser:bob
usid:S-1-5-21-2113796271-418137714-3910258897-2000      ==      unixuser:tom
gsid:S-1-5-21-2113796271-418137714-3910258897-2147484649        ==      unixgroup:support
gsid:S-1-5-21-2113796271-418137714-3910258897-2147484650        ==      unixgroup:user
wingroup:Domain Users@samba.triple3     ==      gid:2147483652
wingroup:Network        ==      gid:2147483650
wingroup:Guests@BUILTIN ==      gid:2147483653