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
RamkahenNeutral · 2,200 / 3,000
0 / 2
Wrath of the Lich King
0 / 5
The Sons of HodirNo standing yet
0 / 2
The SunreaversFriendly · 1,895 / 6,000
0 / 2
The Wyrmrest AccordFriendly · 74 / 6,000
0 / 1
The Burning Crusade
0 / 16
Cenarion ExpeditionHonored · 1,069 / 12,000
0 / 1
NetherwingNo standing yet
0 / 6
Sha'tari SkyguardNo standing yet
0 / 5
The Mag'harNeutral · 270 / 3,000
0 / 4
Horde
5 / 5337 to get now
Bilgewater CartelFriendly · 3,149 / 6,000
0 / 1
Darkspear TrollsFriendly · 5,999 / 6,000
0 / 8
OrgrimmarHonored · 4,360 / 12,000
5 / 18
Silvermoon CityFriendly · 2,552 / 6,000
0 / 9
Thunder BluffFriendly · 2,599 / 6,000
0 / 8
UndercityFriendly · 374 / 6,000
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 4 hours ago. Some mounts may be missing or incorrect still. Please report any issues on the contact page.