These entries are queried from radb.net using whois, you can try my project getting these.
:AS24991 route: 81.93.192.0/21 descr: Datatrans Internet Ltd descr: Szekesfehervar descr: HU origin: AS24991 notify: droszler [at] datatrans.hu mnt-by: DATATRANS-MNT created: 2010-02-15T18:56:47Z last-modified: 2010-02-15T18:56:47Z 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: 81.93.200.0/22 descr: Datatrans Internet Ltd descr: Szekesfehervar descr: HU origin: AS24991 mnt-by: DATATRANS-MNT mnt-by: GD1173-MNT created: 2019-05-03T08:30:26Z last-modified: 2019-05-03T08:30:26Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 81.93.200.0/24 descr: Datatrans Internet Ltd descr: Szekesfehervar descr: HU origin: AS24991 mnt-by: DATATRANS-MNT created: 2015-03-11T12:00:43Z last-modified: 2015-03-11T12:00:43Z 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: 81.93.201.0/24 descr: Datatrans Internet Ltd descr: Szekesfehervar descr: HU origin: AS24991 mnt-by: DATATRANS-MNT created: 2015-03-11T11:59:21Z last-modified: 2015-03-11T11:59:21Z 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: 81.93.202.0/23 descr: Datatrans Internet Ltd descr: Szekesfehervar descr: HU origin: AS24991 notify: droszler [at] datatrans.hu mnt-by: DATATRANS-MNT mnt-by: GD1173-MNT created: 2021-05-07T13:50:07Z last-modified: 2021-05-07T13:50:07Z 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: 81.93.204.0/22 descr: Datatrans Internet Ltd. descr: Szekesfehervar descr: HU origin: AS24991 notify: droszler [at] datatrans.hu mnt-by: DATATRANS-MNT created: 2012-11-06T14:29:15Z last-modified: 2012-11-06T14:29:15Z 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 route6: 2a03:da00::/36 descr: Datatrans Internet Ltd descr: Szekesfehervar descr: HU origin: AS24991 descr: 2a03:da00:0000::/36 notify: lir [at] datatrans.hu mnt-by: DATATRANS-MNT mnt-by: GD1173-MNT created: 2018-09-18T15:08:52Z last-modified: 2021-05-07T13:54:12Z 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 route6: 2a03:da00:1000::/36 descr: Datatrans Internet Ltd descr: Szekesfehervar descr: HU origin: AS24991 notify: lir [at] datatrans.hu mnt-by: DATATRANS-MNT mnt-by: GD1173-MNT created: 2018-09-18T15:35:04Z last-modified: 2021-05-07T13:55:25Z 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