Pandaren mounts are available on their corresponding race. Create a new character and you can get them without the standing.
Cataclysm
0 / 31 to get now
Hellscream's ReachNo standing yet
0 / 1
RamkahenRevered · 8,264 / 21,000
0 / 2
Wrath of the Lich King
3 / 52 to get now
The Sons of HodirNo standing yet
2 / 2
The SunreaversNo standing yet
0 / 2
The Wyrmrest AccordNo standing yet
1 / 1
The Burning Crusade
2 / 164 to get now
Cenarion ExpeditionNo standing yet
0 / 1
NetherwingNeutral · 250 / 3,000
0 / 6
Sha'tari SkyguardNo standing yet
2 / 5
The Mag'harRevered · 6,287 / 21,000
0 / 4
Horde
22 / 5331 to get now
Bilgewater CartelRevered · 1,170 / 21,000
1 / 1
Darkspear TrollsNo standing yet
1 / 8
OrgrimmarNo standing yet
11 / 18
Silvermoon CityNo standing yet
3 / 9
Thunder BluffNo standing yet
3 / 8
UndercityNo standing yet
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, 5 days ago. Some mounts may be missing or incorrect still. Please report any issues on the contact page.