This is based on current auctions(auctions without buyout are ignored), if a realm is not in the list but being scanned, that means there isnt a auction active currently. You can click the realm to get to the item page for that realm.

Realm Faction Active
auctions		 Buyout min Buyout avg Buyout max
Silvermoon - eu Alliance 1 20 50 00 20 50 00 20 50 00
Blackmoore - eu Horde 1 29 99 99 29 99 99 29 99 99
Sylvanas - eu Alliance 2 80 00 00 101 49 50 122 98 99
Aerie Peak - eu Alliance 2 60 00 00 80 00 00 99 99 99
Sunstrider - eu Horde 1 5 00 00 5 00 00 5 00 00
Vek'nilash - eu Alliance 1 40 00 00 40 00 00 40 00 00
Stormrage - eu Alliance 1 40 63 25 40 63 25 40 63 25
Medivh - us Alliance 2 174 99 99 175 00 00 175 00 00
Frostmane - eu Alliance 1 26 00 00 26 00 00 26 00 00
Moon Guard - us Alliance 4 5 00 00 7 50 00 10 00 00
Fizzcrank - us Horde 1 10 00 00 10 00 00 10 00 00
Dentarg - us Alliance 1 535 94 04 535 94 04 535 94 04
Dentarg - us Horde 1 147 87 17 147 87 17 147 87 17
Drakkari - us Alliance 1 3 75 00 3 75 00 3 75 00
Aggramar - eu Alliance 1 45 00 00 45 00 00 45 00 00
Ahn'Qiraj - eu Alliance 1 100 00 00 100 00 00 100 00 00
Ahn'Qiraj - eu Horde 1 200 00 00 200 00 00 200 00 00
Antonidas - eu Alliance 2 128 99 99 129 00 00 129 00 00
Archimonde - eu Horde 1 111 00 00 111 00 00 111 00 00
Argent Dawn - eu Alliance 7 59 50 00 196 37 14 299 00 00
Arygos - eu Horde 1 9 00 00 9 00 00 9 00 00
Aszune - eu Horde 1 35 60 00 35 60 00 35 60 00
Auchindoun - eu Alliance 1 10 00 00 10 00 00 10 00 00
Baelgun - eu Alliance 2 56 00 00 56 00 00 56 00 00
Blackhand - eu Horde 1 47 32 20 47 32 20 47 32 20
Blackrock - eu Horde 1 255 50 00 255 50 00 255 50 00
Blade's Edge - eu Alliance 2 5 30 00 477 65 00 949 99 99
Bloodscalp - eu Alliance 1 50 00 00 50 00 00 50 00 00
C'Thun - eu Horde 1 99 74 99 99 74 99 99 74 99
Chants éternels - eu Horde 1 100 00 00 100 00 00 100 00 00
Confrérie du Thorium - eu Alliance 2 49 50 00 49 75 00 50 00 00
Dalaran - eu Horde 1 29 00 00 29 00 00 29 00 00
Darksorrow - eu Alliance 1 9998 99 00 9998 99 00 9998 99 00
Darksorrow - eu Horde 1 50 00 00 50 00 00 50 00 00
Darkspear - eu Alliance 1 54 91 90 54 91 90 54 91 90
Der Mithrilorden - eu Alliance 1 54 90 00 54 90 00 54 90 00
Die Aldor - eu Horde 3 150 10 40 150 10 40 150 10 40
Die Nachtwache - eu Horde 2 281 50 00 281 64 39 281 78 77
Draenor - eu Alliance 1 158 93 00 158 93 00 158 93 00
Draenor - eu Horde 2 35 00 00 42 45 00 49 90 00
Dragonblight - eu Alliance 1 82 62 00 82 62 00 82 62 00
Drak'thul - eu Alliance 1 33 16 63 33 16 63 33 16 63
Dun Morogh - eu Alliance 3 155 95 46 170 24 39 177 39 86
Earthen Ring - eu Alliance 1 19 99 97 19 99 97 19 99 97
Eitrigg - eu Alliance 1 196 77 43 196 77 43 196 77 43
Eldre'Thalas - eu Horde 1 75 43 42 75 43 42 75 43 42
Eonar - eu Alliance 1 50 00 00 50 00 00 50 00 00
Eredar - eu Horde 1 22 00 00 22 00 00 22 00 00
Forscherliga - eu Alliance 1 30 00 00 30 00 00 30 00 00
Garrosh - eu Alliance 1 40 13 19 40 13 19 40 13 19
Ghostlands - eu Alliance 1 201 00 80 201 00 80 201 00 80
Ghostlands - eu Horde 1 199 00 00 199 00 00 199 00 00
Grim Batol - eu Alliance 1 91 66 58 91 66 58 91 66 58
Illidan - eu Horde 1 1750 00 00 1750 00 00 1750 00 00
Kargath - eu Alliance 2 10 90 00 29 45 00 48 00 00
Kazzak - eu Horde 2 21 85 00 22 42 50 23 00 00
Khadgar - eu Horde 1 33 00 00 33 00 00 33 00 00
Kil'jaeden - eu Alliance 1 5 00 00 5 00 00 5 00 00
Kirin Tor - eu Alliance 1 50 00 00 50 00 00 50 00 00
Krasus - eu Horde 1 5 00 00 5 00 00 5 00 00
Lightbringer - eu Horde 1 200 00 00 200 00 00 200 00 00
Lothar - eu Horde 1 15 00 00 15 00 00 15 00 00
Malorne - eu Alliance 1 28 50 00 28 50 00 28 50 00
Marécage de Zangar - eu Alliance 2 699 00 00 699 50 00 700 00 00
Outland - eu Alliance 2 21 99 99 22 00 00 22 00 00
Perenolde - eu Alliance 1 73 69 45 73 69 45 73 69 45
Ragnaros - eu Alliance 1 200 00 00 200 00 00 200 00 00
Sanguino - eu Horde 1 224 26 00 224 26 00 224 26 00
Saurfang - eu Horde 4 54 75 00 54 75 00 54 75 00
Sen'jin - eu Alliance 2 148 00 00 149 00 00 150 00 00
Shattered Halls - eu Alliance 1 70 89 31 70 89 31 70 89 31
Shen'dralar - eu Alliance 1 50 00 00 50 00 00 50 00 00
Sporeggar - eu Horde 1 5 53 46 5 53 46 5 53 46
Stormreaver - eu Alliance 1 1000 00 00 1000 00 00 1000 00 00
Stormreaver - eu Horde 2 399 75 00 399 75 00 399 75 00
Stormscale - eu Horde 1 220 73 03 220 73 03 220 73 03
Teldrassil - eu Horde 1 50 00 00 50 00 00 50 00 00
Terenas - eu Alliance 1 340 00 00 340 00 00 340 00 00
Terokkar - eu Alliance 2 21 00 00 21 00 00 21 00 00
Tichondrius - eu Alliance 1 100 00 00 100 00 00 100 00 00
Twilight's Hammer - eu Alliance 1 199 61 54 199 61 54 199 61 54
Twisting Nether - eu Horde 1 9 95 00 9 95 00 9 95 00
Ysondre - eu Horde 1 50 00 00 50 00 00 50 00 00
Борейская тундра - eu Horde 1 200 00 00 200 00 00 200 00 00
Вечная Песня - eu Alliance 1 20 00 00 20 00 00 20 00 00
Галакронд - eu Alliance 1 94 99 99 94 99 99 94 99 99
Галакронд - eu Horde 1 70 95 00 70 95 00 70 95 00
Голдринн - eu Alliance 2 50 00 00 50 13 37 50 26 74
Голдринн - eu Horde 1 15 00 00 15 00 00 15 00 00
Гордунни - eu Alliance 2 50 00 00 50 50 00 51 00 00
Гром - eu Alliance 2 89 99 99 90 00 00 90 00 00
Дракономор - eu Alliance 2 29 90 00 29 95 00 29 99 99
Свежеватель Душ - eu Horde 2 32 99 99 33 00 00 33 00 00
Седогрив - eu Alliance 1 115 20 00 115 20 00 115 20 00
Черный Шрам - eu Alliance 1 100 00 00 100 00 00 100 00 00
Aman'Thul - us Alliance 1 200 00 00 200 00 00 200 00 00
Area 52 - us Horde 2 79 12 17 79 12 17 79 12 17
Argent Dawn - us Alliance 1 150 00 00 150 00 00 150 00 00
Azgalor - us Alliance 1 54 00 00 54 00 00 54 00 00
Baelgun - us Alliance 1 222 00 00 222 00 00 222 00 00
Barthilas - us Horde 1 20 00 00 20 00 00 20 00 00
Blackhand - us Alliance 1 4549 41 10 4549 41 10 4549 41 10
Blade's Edge - us Alliance 1 6 00 00 6 00 00 6 00 00
Bleeding Hollow - us Alliance 1 84 00 00 84 00 00 84 00 00
Bronzebeard - us Alliance 1 14 25 05 14 25 05 14 25 05
Burning Blade - us Horde 2 64 99 97 64 99 98 64 99 98
Burning Legion - us Horde 1 30 00 00 30 00 00 30 00 00
Caelestrasz - us Alliance 1 58 40 00 58 40 00 58 40 00
Darkspear - us Alliance 1 5000 00 00 5000 00 00 5000 00 00
Darrowmere - us Alliance 1 111 57 40 111 57 40 111 57 40
Darrowmere - us Horde 1 500 00 00 500 00 00 500 00 00
Dath'Remar - us Alliance 1 51 00 00 51 00 00 51 00 00
Deathwing - us Alliance 1 30 21 63 30 21 63 30 21 63
Deathwing - us Horde 1 149 89 99 149 89 99 149 89 99
Doomhammer - us Horde 1 69 69 69 69 69 69 69 69 69
Draenor - us Horde 1 25 00 00 25 00 00 25 00 00
Dragonblight - us Alliance 1 500 00 00 500 00 00 500 00 00
Drak'thul - us Alliance 2 60 00 00 80 00 00 99 99 99
Dreadmaul - us Horde 1 200 00 00 200 00 00 200 00 00
Earthen Ring - us Alliance 1 5000 00 00 5000 00 00 5000 00 00
Earthen Ring - us Horde 1 3 50 00 3 50 00 3 50 00
Eldre'Thalas - us Horde 2 1468 08 26 1468 08 26 1468 08 26
Executus - us Horde 1 5 90 00 5 90 00 5 90 00
Feathermoon - us Horde 1 36 95 34 36 95 34 36 95 34
Frostmourne - us Alliance 2 80 00 00 165 00 00 250 00 00
Frostwolf - us Alliance 1 100 00 00 100 00 00 100 00 00
Garona - us Horde 1 53 48 43 53 48 43 53 48 43
Gnomeregan - us Horde 1 14 00 00 14 00 00 14 00 00
Greymane - us Alliance 1 75 00 00 75 00 00 75 00 00
Hellscream - us Alliance 1 10 00 00 10 00 00 10 00 00
Illidan - us Horde 5 100 75 00 220 15 00 250 00 00
Jubei'Thos - us Horde 1 700 00 00 700 00 00 700 00 00
Kargath - us Alliance 2 28 61 10 28 75 55 28 90 00
Khadgar - us Horde 1 55 44 41 55 44 41 55 44 41
Kil'jaeden - us Horde 2 44 88 88 44 94 44 45 00 00
Kirin Tor - us Horde 1 75 00 00 75 00 00 75 00 00
Lightbringer - us Alliance 1 169 96 02 169 96 02 169 96 02
Lightninghoof - us Horde 1 20 50 40 20 50 40 20 50 40
Madoran - us Alliance 1 49 22 66 49 22 66 49 22 66
Mal'Ganis - us Horde 2 9 00 00 11 92 50 14 85 00
Malygos - us Alliance 1 100 00 00 100 00 00 100 00 00
Malygos - us Horde 1 89 00 00 89 00 00 89 00 00
Misha - us Alliance 2 50 00 00 50 00 00 50 00 00
Nagrand - us Alliance 1 90 00 39 90 00 39 90 00 39
Nazgrel - us Horde 3 183 93 76 183 93 76 183 93 76
Norgannon - us Horde 1 50 00 00 50 00 00 50 00 00
Proudmoore - us Alliance 4 11 58 30 234 76 69 715 30 22
Quel'Thalas - us Horde 1 10 00 00 10 00 00 10 00 00
Quel'dorei - us Alliance 1 50 00 00 50 00 00 50 00 00
Ragnaros - us Horde 1 159 90 50 159 90 50 159 90 50
Ravenholdt - us Horde 2 25 72 10 25 72 10 25 72 10
Sargeras - us Alliance 3 94 78 17 94 78 17 94 78 18
Shadow Council - us Alliance 1 3 75 00 3 75 00 3 75 00
Shadow Council - us Horde 1 9 00 00 9 00 00 9 00 00
Shu'halo - us Alliance 1 25 14 57 25 14 57 25 14 57
Silver Hand - us Horde 2 137 61 00 144 89 96 152 18 92
Skywall - us Horde 1 22 41 87 22 41 87 22 41 87
Spinebreaker - us Alliance 1 340 93 40 340 93 40 340 93 40
Spirestone - us Alliance 1 200 00 00 200 00 00 200 00 00
Steamwheedle Cartel - us Horde 1 5 00 00 5 00 00 5 00 00
Stormrage - us Alliance 1 3 74 00 3 74 00 3 74 00
Tanaris - us Alliance 1 82 43 71 82 43 71 82 43 71
Thrall - us Horde 1 16 50 00 16 50 00 16 50 00
Tichondrius - us Horde 1 85 00 00 85 00 00 85 00 00
Tortheldrin - us Alliance 1 3 00 00 3 00 00 3 00 00
Trollbane - us Horde 1 58 97 36 58 97 36 58 97 36
Turalyon - us Alliance 2 9 00 00 9 00 00 9 00 00
Undermine - us Alliance 1 1110 00 01 1110 00 01 1110 00 01
Uther - us Alliance 2 100 00 00 299 97 50 499 95 00
Vashj - us Alliance 1 150 75 60 150 75 60 150 75 60
Vek'nilash - us Alliance 3 42 90 00 42 93 33 43 00 00
Wyrmrest Accord - us Horde 2 4 00 00 4 32 00 4 63 99
Ysera - us Horde 1 62 15 05 62 15 05 62 15 05
Zul'jin - us Horde 1 9 00 00 9 00 00 9 00 00
Zuluhed - us Horde 3 50 00 00 283 33 33 400 00 00
Blackscar - eu Alliance 1 100 00 00 100 00 00 100 00 00
Borean Tundra - eu Horde 1 200 00 00 200 00 00 200 00 00
Eversong - eu Alliance 1 20 00 00 20 00 00 20 00 00
Fordragon - eu Alliance 2 29 90 00 29 95 00 29 99 99
Galakrond - eu Alliance 1 94 99 99 94 99 99 94 99 99
Galakrond - eu Horde 1 70 95 00 70 95 00 70 95 00
Goldrinn - eu Alliance 2 50 00 00 50 13 37 50 26 74
Goldrinn - eu Horde 1 15 00 00 15 00 00 15 00 00
Gordunni - eu Alliance 2 50 00 00 50 50 00 51 00 00
Greymane - eu Alliance 1 115 20 00 115 20 00 115 20 00
Grom - eu Alliance 2 89 99 99 90 00 00 90 00 00
Soulflayer - eu Horde 2 32 99 99 33 00 00 33 00 00
Azralon - us Alliance 1 25 00 00 25 00 00 25 00 00
Goldrinn - us Alliance 3 99 00 00 132 66 67 200 00 00
Nemesis - us Alliance 1 43 09 85 43 09 85 43 09 85
Shandris - us Alliance 1 1001 00 00 1001 00 00 1001 00 00
Shandris - us Horde 1 500 00 00 500 00 00 500 00 00
Tol Barad - us Alliance 2 15 00 00 15 00 00 15 00 00