These entries are queried from radb.net using whois, you can try my project getting these.
:AS-MAXIS as-set: AS-MAXIS descr: AS-SET MAXIS TELECOM members: AS264415,AS52904,AS262996,AS263142,AS271095 members: AS263159,AS61638,AS61746,AS61782,AS271273,AS271412 members: AS267430,AS263562,AS52897,AS270287,AS265401,AS271384 tech-c: MTLME61 admin-c: MTLME61 notify: noc [at] maxistelecom.com.br mnt-by: MAINT-AS264415 changed: cgr [at] maxistelecom.com.br 20201013 source: BBOI as-set: AS-MAXIS descr: AS-SET MAXIS TELECOM members: AS264415,AS52904,AS262996,AS28580,AS270473,AS264574 members: AS263159,AS61638,AS61746,AS61782,AS271412,AS263457 members: AS267430,AS52897,AS270287,AS265401,AS271384,AS61796 members: AS28352,AS267543,AS265227,AS28307,AS263676 tech-c: MTLME61-NICBR admin-c: MTLME61-NICBR notify: noc [at] maxistelecom.com.br mnt-by: MAINT-AS264415 changed: cgr [at] maxistelecom.com.br source: TC last-modified: 2023-08-16T13:45:00Z