These entries are queried from radb.net using whois, you can try my project getting these.
:AS61251 route: 45.154.144.0/22 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: MET21-MNT mnt-by: HBIZ-MNT created: 2019-10-16T15:59:25Z last-modified: 2019-10-16T15:59:25Z 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: 77.73.36.0/22 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: MET21-MNT mnt-by: HBIZ-MNT created: 2018-07-10T20:37:14Z last-modified: 2018-07-10T20:37:14Z 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: 91.195.12.0/23 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: HBIZ-MNT created: 2017-10-05T11:32:32Z last-modified: 2017-10-05T11:32:32Z 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: 91.232.127.0/24 origin: AS61251 mnt-by: HOST4BIZ-MNT created: 2018-12-11T20:12:45Z last-modified: 2018-12-11T20:13:23Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.151.244.0/22 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: HBIZ-MNT created: 2016-05-25T11:12:47Z last-modified: 2016-05-25T11:12:47Z 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: 185.151.244.0/23 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: MET21-MNT mnt-by: HBIZ-MNT created: 2019-03-21T13:50:41Z last-modified: 2019-03-21T13:50:41Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.151.245.0/24 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: HBIZ-MNT created: 2018-04-20T17:55:03Z last-modified: 2018-04-20T17:56:31Z 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: 185.151.246.0/23 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: MET21-MNT mnt-by: HBIZ-MNT created: 2019-03-21T13:52:02Z last-modified: 2019-03-21T13:52:02Z 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: 2a07:7c80::/29 origin: AS61251 mnt-by: HOST4BIZ-MNT mnt-by: HBIZ-MNT created: 2016-05-25T11:13:35Z last-modified: 2016-05-25T11:13:35Z 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: not_found # No ROAs found, or RPKI validation not enabled for source