These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTBC-CUSTOMERS162 as-set: AS-CTBC-CUSTOMERS162 descr: 50 customer ASes in each as-set members: AS267037,AS52778,AS268966,AS265289,AS265905,AS52574,AS28638,AS268166,AS268914,AS267323,AS269497,AS269361,AS267204,AS269424,AS266636,AS269432,AS268849,AS52762,AS264876,AS266522,AS52894,AS269448,AS269413,AS269439,AS266130,AS269480,AS269486,AS269395,AS269438,AS269408,AS268792,AS269454,AS269236,AS264332,AS267386,AS269504,AS267520,AS262888,AS266382,AS266624,AS266115,AS269425,AS266542,AS269000,AS269308,AS262529,AS266999,AS264537,AS265367,AS52617 remarks: 50 customer ASes in each as-set mnt-by: MAINT-AS16735 changed: miranda [at] algartelecom.com.br 20191116 #11:34:00Z source: RADB last-modified: 2023-11-13T15:58:58Z