1. A method for bidding delivery of a content object with a content distribution network (CDN), wherein the content object is provided by a content provider, the method comprising steps: receiving a delivery request from the content provider, wherein the delivery request includes at least one of a network address associated with an intended receiver or information characterizing the content object; analyzing the delivery request according to a cost model for the CDN; automatically determining a delivery quote for delivering the content object one or more times according to the delivery request, wherein the delivery quote is affected by at least one of the IP address of the intended receiver of the content object or the content object itself; and sending the delivery quote to the content provider.