These entries are queried from radb.net using whois, you can try my project getting these.
:AS211638 route: 44.31.6.0/24 descr: Proxy-route object AS211638 (LOA provided) origin: AS211638 mnt-by: redpanda-mnt changed: me [at] tyrasuki.be 20210504 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.6.0/24 origin: AS211638 descr: EI2HFB admin-c: SMITH5996-ARIN tech-c: SMITH5996-ARIN notify: hostmaster [at] ardc.net mnt-by: MAINT-ARDC changed: chris [at] ardc.net 20230107 #22:02:19Z source: RADB last-modified: 2023-11-13T16:13:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:678:f0c::/48 origin: AS211638 mnt-by: DNW-MNT created: 2021-03-13T00:44:50Z last-modified: 2021-03-13T00:44:50Z 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: valid