These entries are queried from radb.net using whois, you can try my project getting these.
:AS52213 route: 31.131.139.0/24 origin: AS52213 mnt-by: NEWLINE-MNT created: 2019-12-05T16:21:00Z last-modified: 2019-12-05T16:21:00Z 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: 91.224.16.0/23 descr: LLC DONETSK FIBER-OPTICAL NETWORK descr: 1, microdistrict Zhuravlevka, descr: 86200, Shahtarsk, descr: Donetsk region, Russia, RU origin: AS52213 mnt-by: EXSTREAM-MNT created: 2011-01-28T10:53:08Z last-modified: 2023-12-14T14:53:56Z 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: 91.224.16.0/24 descr: LLC DONETSK FIBER-OPTICAL NETWORK descr: 1, microdistrict Zhuravlevka, descr: 86200, Shahtarsk, descr: Donetsk region, Russia, RU origin: AS52213 mnt-by: EXSTREAM-MNT created: 2011-09-12T08:22:25Z last-modified: 2023-12-14T14:43:40Z 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: **************************** rpki-ov-state: valid route: 91.224.17.0/24 descr: LLC DONETSK FIBER-OPTICAL NETWORK descr: 1, microdistrict Zhuravlevka, descr: 86200, Shahtarsk, descr: Donetsk region, Russia, RU origin: AS52213 mnt-by: EXSTREAM-MNT created: 2011-09-12T08:30:41Z last-modified: 2023-12-14T14:43:52Z 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