1. A computer-implemented method, comprising: obtaining data, at a computing device, that defines service relationships between computing entities in a network of computing entities associated with a service provider; determining two or more groups of computing entities based, at least in part, on the obtained data, wherein individual computing entities of the two or more groups have a direct relationship or an indirect relationship with other computing entities within the same group; determining one or more subgroups of at least one group of the two or more groups based, at least in part, on the obtained data, wherein individual computing entities within a first subgroup of the one or more subgroups do not have a direct relationship with any of the other computing entities within the first subgroup; and generating output data identifying at least a portion of the one or more subgroups.