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 · 2,775 / 6,000
0 / 2
Wrath of the Lich King
0 / 5
The Sons of HodirHated · 1,430 / 36,000
0 / 2
The SunreaversFriendly · 1,923 / 6,000
0 / 2
The Wyrmrest AccordNeutral · 2,359 / 3,000
0 / 1
The Burning Crusade
0 / 16
Cenarion ExpeditionFriendly · 503 / 6,000
0 / 1
NetherwingNo standing yet
0 / 6
Sha'tari SkyguardNo standing yet
0 / 5
The Mag'harNo standing yet
0 / 4
Horde
21 / 5321 to get now
Bilgewater CartelHonored · 873 / 12,000
0 / 1
Darkspear TrollsHonored · 549 / 12,000
4 / 8
OrgrimmarHonored · 8,645 / 12,000
12 / 18
Silvermoon CityHonored · 1,704 / 12,000
0 / 9
Thunder BluffFriendly · 5,213 / 6,000
2 / 8
UndercityRevered · 5,122 / 21,000
3 / 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 13 hours ago. Some mounts may be missing or incorrect still. Please report any issues on the contact page.