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 ReachNo standing yet
0 / 1
RamkahenFriendly · 2,593 / 6,000
0 / 2
Wrath of the Lich King
0 / 5
The Sons of HodirNo standing yet
0 / 2
The SunreaversHonored · 11,699 / 12,000
0 / 2
The Wyrmrest AccordNeutral · 500 / 3,000
0 / 1
The Burning Crusade
0 / 16
Cenarion ExpeditionFriendly · 3,211 / 6,000
0 / 1
NetherwingNo standing yet
0 / 6
Sha'tari SkyguardNo standing yet
0 / 5
The Mag'harFriendly · 33 / 6,000
0 / 4
Horde
26 / 5316 to get now
Bilgewater CartelHonored · 1,946 / 12,000
0 / 1
Darkspear TrollsHonored · 8,441 / 12,000
6 / 8
OrgrimmarFriendly · 5,999 / 6,000
13 / 18
Silvermoon CityHonored · 1,375 / 12,000
1 / 9
Thunder BluffHonored · 7,015 / 12,000
6 / 8
UndercityHonored · 2,999 / 12,000
0 / 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 1 hour ago. Some mounts may be missing or incorrect still. Please report any issues on the contact page.