These entries are queried from radb.net using whois, you can try my project getting these.
:AS44954 route: 50.59.243.0/24 descr: Raleigh, NC origin: AS44954 mnt-by: MAINT-AS44954 changed: alexmb [at] me.com 20220218 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:ffc5:104::/48 descr: AS44954 IPv6 Announced Prefix origin: AS44954 mnt-by: BROWN-MNT created: 2018-07-06T22:16:48Z last-modified: 2018-09-04T19:49:03Z source: RIPE-NONAUTH 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 route6: 2602:ffc5:104::/48 origin: AS44954 admin-c: BROWN2222-ARIN tech-c: BROWN2222-ARIN mnt-by: MNT-AB-1257 created: 2020-12-02T14:04:26Z last-modified: 2020-12-02T14:04:26Z source: ARIN descr: MNT-AB-1257 route 2602:FFC5:0104:0000:0000:0000:0000:0000/48 AS44954 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:ffc5:e10::/48 descr: Hostus origin: AS44954 mnt-by: MAINT-AS40676 changed: n.abdul [at] psychz.net 20200925 #12:21:20Z source: RADB last-modified: 2023-11-13T16:01:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source