These entries are queried from radb.net using whois, you can try my project getting these.
:AS-MKSNET as-set: AS-MKSNET descr: Sulcom Informática Ltda mnt-by: MAINT-AS262544 members: AS262544 changed: dominios [at] mksnet.com.br 20190902 source: TC as-set: AS-MKSNET org: ORG-ICC2-RIPE descr: MKS as-set for own networks and transit customers members: AS12690 members: AS20690 members: AS-NTCOM members: AS35374 members: AS210766 members: AS205971 members: AS206661 members: AS31326 members: AS203093 tech-c: DUMY-RIPE admin-c: DUMY-RIPE mnt-by: MKS-MNT created: 2002-08-02T12:55:10Z last-modified: 2021-09-14T11:07:40Z 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: ****************************