These entries are queried from radb.net using whois, you can try my project getting these.
:AS-MEGA as-set: AS-MEGA descr: Occino GmbH ASN tech-c: DUMY-RIPE admin-c: DUMY-RIPE members: AS15925 members: AS202195 members: AS212026 mnt-by: NGENN-NOC created: 2007-12-14T20:07:50Z last-modified: 2022-11-22T12:53:27Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** as-set: AS-MEGA descr: AS-MEGATELECOM MENOR members: AS-MEGATELECOM-BACKBONE,AS-MEGATELECOM-CUSTOMERS members: AS22381 admin-c: Elymas Duarte tech-c: Alisson David notify: alisson.david [at] megatelecom.com.br mnt-by: MAINT-AS22381 changed: alisson.david [at] megatelecom.com.br 20200207 #20:01:14Z source: RADB last-modified: 2023-11-13T15:59:44Z