These entries are queried from radb.net using whois, you can try my project getting these.
:AS-CTBC-CUSTOMERS148 as-set: AS-CTBC-CUSTOMERS148 descr: 50 customer ASes in each as-set members: AS266241,AS265146,AS269379,AS265162,AS269326,AS268708,AS266111,AS266108,AS266124,AS266185,AS7063,AS267592,AS267619,AS268419,AS268422,AS268447,AS268454,AS268444,AS268512,AS267975,AS268531,AS268537,AS268591,AS268629,AS268560,AS267944,AS268584,AS268604,AS268615,AS268617,AS268625,AS268627,AS268656,AS268677,AS268692,AS268018,AS263102,AS267980,AS268697,AS267979,AS268032,AS268002,AS268020,AS267995,AS267994,AS268053,AS267999,AS268010,AS268017,AS268008 mnt-by: MAINT-AS16735 changed: miranda [at] algartelecom.com.br 20191004 #17:18:58Z source: RADB last-modified: 2023-11-13T15:58:16Z