Amazon changes

Does anyone know of any BGP changes that were done last night around 9 or 9:30 that would have affected AWS or Amazon? We have 1 customer that we advertise their entire block via BGP and they cannot access several AWS sites. Does anyone have a good Amazon contact? Thanks, Justin Huffman Long Lines Broadband 712-271-5902 (W) jhuffman@longlines.biz<mailto:jhuffman@longlines.biz> [LL new] [cid:image002.png@01D8D4B4.02AA59F0]