These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTBC-CUSTOMERS82 as-set: AS-CTBC-CUSTOMERS82 descr: 50 customer ASes in each as-set members: AS52866,AS61584,AS264172,AS264166,AS264176,AS264175,AS61581,AS264194,AS263037,AS28158,AS52604,AS264118,AS61900,AS262811,AS61591,AS264139,AS264146,AS264181,AS264182,AS264163,AS263017,AS264206,AS264191,AS264200,AS264201,AS264208,AS264204,AS264217,AS264213,AS264150,AS264159,AS61786,AS263086,AS262427,AS264155,AS262802,AS262862,AS262544,AS264749,AS264215,AS53232,AS264205,AS264212,AS52695,AS52760,AS264210,AS27901,AS262307,AS28198,AS263589 mnt-by: MAINT-AS16735 changed: miranda [at] algartelecom.com.br 20181121 #04:27:22Z source: RADB last-modified: 2023-11-13T15:55:17Z