These entries are queried from radb.net using whois, you can try my project getting these.
:AS36489 route: 63.76.52.0/22 descr: Proxy-registered route object origin: AS36489 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20061018 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.116.136.0/21 origin: AS36489 descr: IP Pathways, LLC 3600 109th St Urbandale IA 50322 United States admin-c: NOC31940-ARIN tech-c: NETSO-ARIN mnt-by: MNT-NETSO-2 created: 2024-04-22T13:42:19Z last-modified: 2024-04-22T13:42:19Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source