These entries are queried from radb.net using whois, you can try my project getting these.
:AS30154 route: 66.202.192.0/18 descr: Davenport University origin: AS30154 mnt-by: MAINT-AS237 changed: rik [at] merit.edu 20090901 source: RADB last-modified: 2023-11-13T15:40:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.202.192.0/19 descr: Davenport University origin: AS30154 mnt-by: MAINT-AS237 changed: rik [at] merit.edu 20040305 source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.202.224.0/19 descr: Davenport University origin: AS30154 mnt-by: MAINT-AS237 changed: rik [at] merit.edu 20040305 source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:a8::/48 descr: Davenport University origin: AS30154 mnt-by: MAINT-AS237 changed: ljb [at] merit.edu 20120502 source: RADB last-modified: 2023-11-13T15:51:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source