These entries are queried from radb.net using whois, you can try my project getting these.
:AS20074 route: 12.151.64.0/21 descr: KNOWLEDGENET AGGREGATE origin: AS20074 notify: jon.corley [at] knowledgenet.com notify: rich.kleimon [at] knowledgenet.com mnt-by: KNOWLEDGENET-MNT changed: jon.corley [at] knowledgenet.com 20010502 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.147.249.0/24 descr: Point Loma Nazarene University origin: AS20074 mnt-by: MAINT-AS27506 changed: josh.lipe [at] crowncastle.com 20210416 source: RADB last-modified: 2023-11-13T16:05:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.105.224.0/19 descr: KNOWLEDGENET AGGREGATE origin: AS20074 notify: jon.corley [at] knowledgenet.com notify: rich.kleimon [at] knowledgenet.com mnt-by: KNOWLEDGENET-MNT changed: jon.corley [at] knowledgenet.com 20020401 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source