Netlist for the benchmark suite are available in both the netD/are and nodes/nets/wts formats. The latter is strongly prefered. Balance tolerences and terminal locations are specified in fix/blk format. The format is described in the ISPD99 paper "Hypergraph Partitioning With Fixed Verticies".
As some of the files are very large, they are available here only as .tar.gz files. If this is a problem, please let us know .