These entries are queried from radb.net using whois, you can try my project getting these.
:AS-BGN as-set: AS-BGN descr: ISP BGNet members: AS12998 members: AS38931 members: AS39528 members: AS41485 members: AS48560 members: AS197481 members: AS-CINEDIGITAL members: AS-INFOAURA members: AS-NBI admin-c: DUMY-RIPE tech-c: DUMY-RIPE mnt-by: AS12998-MNT created: 2006-09-13T08:54:40Z last-modified: 2021-05-25T12:08:18Z 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: ****************************