These entries are queried from radb.net using whois, you can try my project getting these.
:AS21339 route: 45.143.120.0/23 org: ORG-CBL17-RIPE descr: Cirrus Blue Subscribers origin: AS21339 mnt-by: cnl-maint created: 2019-08-21T09:20:47Z last-modified: 2019-08-22T09:40:43Z 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: 45.143.122.0/23 descr: Contingency Networks Customers org: ORG-CNL16-RIPE origin: AS21339 mnt-by: cnl-maint created: 2019-08-21T09:21:15Z last-modified: 2019-08-22T09:48:21Z 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: not_found # No ROAs found, or RPKI validation not enabled for source route: 176.124.68.0/23 descr: Contingency Networks Limited org: ORG-CNL16-RIPE origin: AS21339 mnt-by: CNL-MAINT created: 2012-09-28T09:08:50Z last-modified: 2019-08-22T09:44:57Z 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: 185.61.164.0/22 descr: CNL Access Networks origin: AS21339 mnt-by: CNL-MAINT created: 2015-06-12T12:36:15Z last-modified: 2015-06-12T12:36:15Z 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: 193.187.99.0/24 origin: AS21339 mnt-by: cnl-maint created: 2021-06-23T14:35:50Z last-modified: 2021-06-23T14:35:50Z 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