These entries are queried from radb.net using whois, you can try my project getting these.
:AS31037 route: 38.41.120.0/23 origin: AS31037 descr: Route Registered for Cogent Communications Customer - Wave Net LLC geoidx: LB mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20240214 # 1734Z source: RADB last-modified: 2024-02-14T17:34:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.101.16.0/22 descr: Wave Net origin: AS31037 mnt-by: wavelb-mntr created: 2015-05-26T12:16:30Z last-modified: 2015-09-21T13:32:44Z 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: 185.101.16.0/24 descr: wave16 origin: AS31037 mnt-by: lb-wavenet-1-mnt mnt-by: wavelb-mntr created: 2016-03-16T13:15:01Z last-modified: 2016-03-16T13:15:01Z 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: 185.101.17.0/24 descr: wave17 origin: AS31037 mnt-by: lb-wavenet-1-mnt mnt-by: wavelb-mntr created: 2016-03-11T22:00:44Z last-modified: 2016-03-11T22:00:44Z 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: 185.101.18.0/24 descr: wave18 origin: AS31037 mnt-by: lb-wavenet-1-mnt mnt-by: wavelb-mntr created: 2016-03-11T22:01:24Z last-modified: 2016-03-11T22:01:24Z 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: 185.101.19.0/24 descr: wave19 origin: AS31037 mnt-by: lb-wavenet-1-mnt mnt-by: wavelb-mntr created: 2016-03-16T13:13:34Z last-modified: 2016-03-16T13:13:34Z 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: valid route: 185.134.178.0/24 org: ORG-WNL6-RIPE origin: AS31037 mnt-by: lb-bitar-1-mnt mnt-by: lb-wavenet-1-mnt mnt-by: wavelb-mntr created: 2022-08-16T07:09:28Z last-modified: 2022-08-17T15:13:06Z 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: 185.134.179.0/24 org: ORG-WNL6-RIPE origin: AS31037 mnt-by: lb-bitar-1-mnt mnt-by: lb-wavenet-1-mnt mnt-by: wavelb-mntr created: 2022-08-16T07:08:45Z last-modified: 2022-08-17T15:25:07Z 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