These entries are queried from radb.net using whois, you can try my project getting these.
:AS11580 route: 74.116.56.0/22 descr: ISLAND_NET-ROUTE origin: AS11580 mnt-by: MNT-CW-JAMAICA created: 2011-09-13T18:22:23Z last-modified: 2018-09-04T16:57:27Z source: RIPE-NONAUTH 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: 74.116.56.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS11580 notify: rprudhomme [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150717 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.116.56.0/24 descr: ISLAND_NET-ROUTE origin: AS11580 mnt-by: MNT-CW-JAMAICA created: 2011-09-13T18:19:13Z last-modified: 2018-09-04T16:57:26Z source: RIPE-NONAUTH 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: 74.116.56.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS11580 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101014 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.116.57.0/24 descr: ISLAND_NET-ROUTE origin: AS11580 mnt-by: MNT-CW-JAMAICA created: 2011-09-13T18:20:20Z last-modified: 2018-09-04T16:57:26Z source: RIPE-NONAUTH 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: 74.116.57.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS11580 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101014 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.116.58.0/24 descr: ISLAND_NET-ROUTE origin: AS11580 mnt-by: MNT-CW-JAMAICA created: 2011-09-13T18:20:52Z last-modified: 2018-09-04T16:57:26Z source: RIPE-NONAUTH 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: 74.116.58.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS11580 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101014 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.116.59.0/24 descr: ISLAND_NET-ROUTE origin: AS11580 mnt-by: MNT-CW-JAMAICA created: 2011-09-13T18:21:21Z last-modified: 2018-09-04T16:57:27Z source: RIPE-NONAUTH 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: 74.116.59.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS11580 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20101014 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.164.204.0/22 origin: AS11580 descr: Route Registered for Cogent Communications Customer - Islandnet Jamaica / Island Networks Limited geoidx: JM mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com source: RADB last-modified: 2024-01-17T22:20:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source