# qwest, ntta, uu, att, xo, level3, # cogent, sprint, aol, cw, gx, dt, ft # mfn, teleglobe, telia, tiscali, microsoft, btn, seabone # twtc my @major_network = ("209", "2914", "701", "7018", "2828", "3356", "174", "1239", "1668", "3561", "3549", "3320", "5511", "6461", "6453", "1299", "3257", "3491", "6762", "4323", );