These entries are queried from radb.net using whois, you can try my project getting these.
:AS47286 route: 31.129.192.0/19 descr: OTS Ltd. origin: AS47286 mnt-by: OTSNET-MNT created: 2011-04-01T10:19:00Z last-modified: 2015-08-28T11:09:41Z 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: 31.129.192.0/22 descr: OTS ISP descr: Khotkovo, MO, Russia origin: AS47286 mnt-by: OTSNET-MNT created: 2015-02-11T14:38:35Z last-modified: 2015-02-11T14:38:35Z 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: 31.129.192.0/23 descr: OTS ISP descr: Khotkovo, MO, Russia descr: Services origin: AS47286 mnt-by: OTSNET-MNT created: 2015-02-11T14:49:07Z last-modified: 2015-02-11T14:49:07Z 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: 31.129.196.0/22 descr: OTS ISP descr: Khotkovo, MO, Russia descr: NAT pool origin: AS47286 mnt-by: OTSNET-MNT created: 2021-07-15T11:05:01Z last-modified: 2023-02-13T10:25:10Z 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: 31.129.200.0/21 descr: OTS ISP descr: Khotkovo, MO, Russia descr: Real IP Pool 1 origin: AS47286 mnt-by: OTSNET-MNT created: 2015-02-11T14:49:40Z last-modified: 2015-02-11T14:49:40Z 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: 31.129.208.0/22 descr: OTS ISP descr: Khotkovo, MO, Russia descr: NAT pool origin: AS47286 mnt-by: OTSNET-MNT created: 2020-06-15T06:22:18Z last-modified: 2020-06-15T06:22:18Z 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: 31.129.212.0/22 descr: OTS ISP descr: Khotkovo, MO, Russia descr: NAT pool origin: AS47286 mnt-by: OTSNET-MNT created: 2020-06-15T06:23:04Z last-modified: 2020-06-15T06:23:04Z 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 route: 31.129.216.0/22 descr: OTS ISP descr: Khotkovo, MO, Russia descr: NAT pool origin: AS47286 mnt-by: OTSNET-MNT created: 2015-02-11T14:50:02Z last-modified: 2023-02-13T10:24:20Z 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: 31.129.220.0/22 descr: OTS ISP descr: Khotkovo, MO, Russia descr: Juridical Pool origin: AS47286 mnt-by: OTSNET-MNT created: 2012-06-28T11:33:25Z last-modified: 2015-02-11T14:48:09Z 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