Pandaren mounts are available on their corresponding race. Create a new character and you can get them without the standing.
Cataclysm
0 / 3
Hellscream's ReachNeutral · 0 / 3,000
0 / 1
RamkahenNeutral · 0 / 3,000
0 / 2
Wrath of the Lich King
0 / 52 to get now
The Sons of HodirHonored · 10,392 / 12,000
0 / 2
The SunreaversNo standing yet
0 / 2
The Wyrmrest AccordHonored · 2,661 / 12,000
0 / 1
The Burning Crusade
0 / 16
Cenarion ExpeditionHonored · 10,368 / 12,000
0 / 1
NetherwingNo standing yet
0 / 6
Sha'tari SkyguardNo standing yet
0 / 5
The Mag'harNeutral · 720 / 3,000
0 / 4
Horde
7 / 5337 to get now
Bilgewater CartelHonored · 11,684 / 12,000
0 / 1
Darkspear TrollsHonored · 4,379 / 12,000
1 / 8
OrgrimmarHonored · 7,964 / 12,000
2 / 18
Silvermoon CityNo standing yet
2 / 9
Thunder BluffHonored · 849 / 12,000
0 / 8
UndercityRevered · 5,393 / 21,000
2 / 9
Darkspear Trolls and Orgrimmar and Silvermoon City and Thunder Bluff and Undercity mounts are available on their corresponding race. Create a new character and you can get them without the standing.
Standings come from the last update, about 7 hours ago. Some mounts may be missing or incorrect still. Please report any issues on the contact page.