These entries are queried from radb.net using whois, you can try my project getting these.
:AS57999 route: 185.209.56.0/22 origin: AS57999 mnt-by: DATANETISP-MNT created: 2017-08-08T15:28:42Z last-modified: 2017-08-08T15:28:42Z 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: 185.209.56.0/24 origin: AS57999 mnt-by: DATANETISP-MNT created: 2021-01-03T19:54:22Z last-modified: 2021-01-03T19:54:22Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.209.57.0/24 origin: AS57999 mnt-by: DATANETISP-MNT created: 2021-01-03T19:54:41Z last-modified: 2021-01-03T19:54:41Z 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: 185.209.58.0/24 origin: AS57999 mnt-by: DATANETISP-MNT created: 2021-01-03T19:54:57Z last-modified: 2021-01-03T19:54:57Z 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: 185.209.59.0/24 origin: AS57999 mnt-by: DATANETISP-MNT created: 2021-01-03T19:55:11Z last-modified: 2021-01-03T19:55:11Z 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