These entries are queried from radb.net using whois, you can try my project getting these.
:AS56513 route: 91.224.172.0/23 descr: Optisis d.o.o. descr: http://www.optisis.si origin: AS56513 mnt-by: TELEMACH-MNT remarks: --------------------------------------------------------------- remarks: Please report abuse to abuse [at] triera.net remarks: --------------------------------------------------------------- created: 2011-12-06T19:24:45Z last-modified: 2018-01-17T12:56:59Z 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: 91.224.172.0/24 descr: Optisis d.o.o. descr: http://www.optisis.si origin: AS56513 remarks: --------------------------------------------------------------- remarks: Please report abuse to abuse [at] triera.net remarks: --------------------------------------------------------------- mnt-by: TELEMACH-MNT created: 2024-03-06T13:11:20Z last-modified: 2024-03-06T13:19:57Z 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: 91.224.173.0/24 descr: Optisis d.o.o. descr: http://www.optisis.si origin: AS56513 mnt-by: TELEMACH-MNT remarks: --------------------------------------------------------------- remarks: Please report abuse to abuse [at] triera.net remarks: --------------------------------------------------------------- created: 2024-03-06T13:17:32Z last-modified: 2024-03-06T13:19:04Z 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: 2001:67c:548::/48 descr: Optisis d.o.o. descr: http://www.optisis.si origin: AS56513 mnt-by: TELEMACH-MNT created: 2014-04-17T13:28:44Z last-modified: 2018-01-17T12:50:22Z 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