These entries are queried from radb.net using whois, you can try my project getting these.
:AS62429 route: 80.87.144.0/20 descr: C.S.T. Ltd origin: AS62429 mnt-by: CSTNET-MNT created: 2018-03-16T11:39:18Z last-modified: 2018-03-16T11:39:18Z 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: 91.184.244.0/23 descr: STEPNET origin: AS62429 mnt-by: NA-MNT created: 2022-02-02T16:18:28Z last-modified: 2022-02-02T16:18:28Z 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: 91.184.245.0/24 descr: STEPNET origin: AS62429 mnt-by: NA-MNT created: 2021-03-21T19:49:34Z last-modified: 2021-03-21T19:49:34Z 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: 91.195.16.0/23 descr: C.S.T. Ltd origin: AS62429 mnt-by: CSTNET-MNT created: 2016-03-29T11:53:41Z last-modified: 2016-03-29T11:53:41Z 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: 91.197.160.0/22 descr: C.S.T. Ltd origin: AS62429 mnt-by: CSTNET-MNT created: 2016-03-06T14:30:49Z last-modified: 2016-03-06T14:30:49Z 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: valid route: 185.18.90.0/24 origin: AS62429 mnt-by: CSTNET-MNT created: 2019-07-16T11:04:09Z last-modified: 2019-07-16T11:04:09Z 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: 185.35.116.0/22 descr: "C.S.T". Ltd. origin: AS62429 mnt-by: CSTNET-MNT created: 2013-09-28T13:21:23Z last-modified: 2013-09-28T13:21:23Z 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: 2a00:db20::/32 descr: "C.S.T". Ltd. origin: AS62429 mnt-by: CSTNET-MNT created: 2013-09-28T13:22:22Z last-modified: 2013-09-28T13:22:22Z 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