| Group | Network count |
|---|---|
| classic/t0/ | 57 |
| classic/t1/ | 40 |
| classic/t2/ | 3 |
| classic/t3/ | 1 |
| classic/t4/ | 53 |
| classic/t9/ | 124 |
| classic/t10/ | 1262 |
| classic/t20/ | 2201 |
| classic/t30/ | 2998 |
| classic/t35/ | 1092 |
| classic/t37/ | 82 |
| classic/t40/ | 2872 |
| classic/t49/ | 24 |
| classic/t50/ | 782 |
| classic/t51/ | 458 |
| classic/t52/ | 377 |
| classic/t53/ | 316 |
| classic/t54/ | 255 |
| classic/t55/ | 109 |
| classic/t56/ | 296 |
| classic/t57/ | 403 |
| classic/t58/ | 613 |
| classic/t59/ | 1226 |
| classic/t60/ | 11245 |
| classic/t70/ | 3809 |
| classic/t71-0/ | 78 |
| classic/t71-1/ | 26 |
| classic/t71-2/ | 95 |
| classic/t71-3/ | 117 |
| classic/t71-4/ | 700 |
| classic/t71-5/ | 893 |
| classic/t72/ | 2461 |
| classic/t73/ | 1099 |
| classic/t74/ | 4706 |
| classic/t75/ | 4042 |
| classic/t76/ | 1352 |
| classic/t77/ | 1721 |
| classic/t78/ | 5570 |
| classic/t79/ | 2016 |
| classic/t80/ | 26344 |
| classic/t90/ | 435 |
| classic/t91/ | 2887 |