These entries are queried from radb.net using whois, you can try my project getting these.
:AS57534 route: 176.101.224.0/19 descr: MLINEroute origin: AS57534 mnt-by: MLINERU-MNT created: 2011-11-23T10:53:48Z last-modified: 2011-11-23T10:53:48Z 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: **************************** rpki-ov-state: valid route: 176.101.224.0/20 descr: MLINEroute1 origin: AS57534 mnt-by: MLINERU-MNT created: 2011-12-18T10:23:48Z last-modified: 2011-12-18T10:23:48Z 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: **************************** rpki-ov-state: valid route: 176.101.224.0/21 descr: MLINEroute5 origin: AS57534 mnt-by: MLINERU-MNT created: 2021-04-22T07:05:02Z last-modified: 2021-04-22T07:05:02Z 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: **************************** rpki-ov-state: valid route: 176.101.232.0/21 descr: MLINEroute6 origin: AS57534 mnt-by: MLINERU-MNT created: 2021-04-22T07:06:13Z last-modified: 2021-04-22T07:06:13Z 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: **************************** rpki-ov-state: valid route: 176.101.240.0/21 descr: MLINEroute3 origin: AS57534 mnt-by: MLINERU-MNT created: 2013-04-11T20:40:20Z last-modified: 2013-04-11T20:40:20Z 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: **************************** rpki-ov-state: valid route: 176.101.248.0/21 descr: MLINEroute4 origin: AS57534 mnt-by: MLINERU-MNT created: 2013-04-11T20:42:38Z last-modified: 2013-04-11T20:42:38Z 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: **************************** rpki-ov-state: valid