These entries are queried from radb.net using whois, you can try my project getting these.
:AS30793 route: 85.31.252.0/24 origin: AS30793 mnt-by: NETIA-MNT mnt-by: AS12741-MNT created: 2022-06-07T14:27:20Z last-modified: 2022-06-07T14:27:20Z 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: 87.239.216.0/21 descr: Ists.pl origin: AS30793 mnt-by: ISTS-MNT mnt-by: NETIA-MNT remarks: mail: biuro [at] ists.pl remarks: abuse: abuse [at] ists.pl remarks: phone: +48 12 4424420 created: 2006-03-23T14:12:51Z last-modified: 2022-09-14T17:09:06Z 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: 87.239.216.0/22 origin: AS30793 mnt-by: ISTS-MNT mnt-by: NETIA-MNT created: 2020-05-19T20:39:45Z last-modified: 2022-09-14T17:08:38Z 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: 93.180.160.0/19 descr: ISTS.PL origin: AS30793 mnt-by: ISTS-MNT mnt-by: NETIA-MNT created: 2012-09-06T21:21:58Z last-modified: 2022-09-14T17:11:35Z 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: 185.58.160.0/22 descr: ISTS.PL origin: AS30793 mnt-by: ISTS-MNT mnt-by: NETIA-MNT created: 2014-05-23T05:41:32Z last-modified: 2022-09-14T17:14:07Z 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: 185.58.160.0/23 origin: AS30793 mnt-by: ISTS-MNT mnt-by: NETIA-MNT created: 2020-05-19T20:38:25Z last-modified: 2022-09-14T17:13:21Z 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: 185.58.162.0/23 origin: AS30793 mnt-by: ISTS-MNT mnt-by: NETIA-MNT created: 2020-05-19T20:39:06Z last-modified: 2022-09-14T17:13:36Z 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: 2a01:af40::/32 descr: Ists.pl origin: AS30793 remarks: abuse: abuse [at] ists.pl mnt-by: ISTS-MNT mnt-by: NETIA-MNT created: 2017-02-01T15:12:55Z last-modified: 2022-09-14T17:15:59Z 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: not_found # No ROAs found, or RPKI validation not enabled for source