These entries are queried from radb.net using whois, you can try my project getting these.
:AS62818 route: 162.253.232.0/21 origin: AS62818 descr: Proxy fbo Spiral Communications (AS 62818) remarks: Great Plains Footprint mnt-by: MAINT-AS13807 changed: mpekny [at] gpcom.com 20200623 #15:49:19Z source: RADB last-modified: 2023-11-13T16:01:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2606:6d80::/32 descr: OrgName: Spiral Solutions and Technologies Inc. OrgId: SST-59 Address: 602 S Locust City: Glenwood StateProv: IA PostalCode: 51534 Country: US origin: AS62818 mnt-by: MAINT-AS5056 changed: will.hughes [at] aureon.com 20181026 #19:17:49Z source: RADB last-modified: 2023-11-13T15:55:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source