These entries are queried from radb.net using whois, you can try my project getting these.
:AS-MMTELECOM as-set: AS-MMTELECOM descr: MM Telecom members: AS263998,AS52606,AS268871 members: AS267936,AS268909,AS269114 members: AS267358,AS263967,AS266016 members: AS252606,AS262768,AS267442 members: AS270961,AS271714,AS268911 members: AS262970,AS264126,AS271571 members: AS265417,AS262778,AS272445 members: AS267516,AS269639,AS28267 members: AS269386,AS268047,AS262978 members: AS269598,AS267213,AS269528 members: AS272273,AS263046,AS269275 members: AS263109,AS269218,AS267516 members: AS264995,AS263998,AS272228 members: AS268633,AS268829,AS267133 members: AS266950,AS269386,AS271597 members: AS266950,AS270795,AS268573 members: AS264995,AS265915,AS269467 members: AS269313,AS267121,AS264194 members: AS263014,AS263018,AS266365 members: AS269614,AS264486,AS262878 members: AS273343,AS273360,AS52684 admin-c: MMSLT25-NICBR tech-c: MMSLT25-NICBR notify: suporte [at] siminternetsc.com.br mnt-by: MAINT-AS263998 changed: noc [at] openx.com.br 20231024 source: ALTDB