These entries are queried from radb.net using whois, you can try my project getting these.
:AS62031 route: 185.50.48.0/22 descr: Sownet Tomasz Gasior origin: AS62031 mnt-by: SOWNET-MNT notify: bartosz.mazurczyk [at] sownet.pl created: 2014-03-14T08:04:18Z last-modified: 2014-03-14T08:04:18Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.198.16.0/23 origin: AS62031 mnt-by: SOWNET-MNT created: 2017-09-15T08:23:09Z last-modified: 2017-09-15T08:23:09Z 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 route: 195.82.176.0/24 descr: PL-CKPOLSL-NET-19971021-COM descr: SOWNET origin: AS62031 mnt-by: PL-CKPOLSL-MNT mnt-lower: PL-CKPOLSL-MNT mnt-routes: PL-CKPOLSL-MNT created: 2014-06-03T13:50:20Z last-modified: 2014-06-03T13:50:20Z 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: 195.82.178.0/23 descr: PL-CKPOLSL-NET-19971021-COM descr: SOWNET origin: AS62031 mnt-by: PL-CKPOLSL-MNT mnt-lower: PL-CKPOLSL-MNT mnt-routes: PL-CKPOLSL-MNT created: 2014-06-03T13:44:52Z last-modified: 2014-06-03T13:44:52Z 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 route6: 2a04:bb40::/29 descr: Sownet Tomasz Gasior origin: AS62031 mnt-by: SOWNET-MNT notify: bartosz.mazurczyk [at] netella.net created: 2014-03-20T10:04:49Z last-modified: 2014-03-20T10:04:49Z 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 route6: 2a10:f781:10:442e::/64 origin: AS62031 descr: EPIX-LORA-SOWNET mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T07:09:05Z last-modified: 2022-05-16T07:09:05Z 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