These entries are queried from radb.net using whois, you can try my project getting these.
:AS27912 route: 200.107.208.0/21 descr: UNITEC-200-107-208-0-Telia origin: AS27912 mnt-by: MAINT-AS27932 changed: rrodas [at] ryt.email 20200131 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.107.208.0/21 descr: IFX Transit client origin: AS27912 mnt-by: MAINT-IFXNETWORKS-BB changed: aframirez [at] ifxcorp.com 20200914 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.107.208.0/23 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27912 mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20111006 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.107.210.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27912 mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20111006 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.107.211.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27912 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: respinosa [at] columbus-networks.com 20120109 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.107.212.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS27912 mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20111006 source: RADB last-modified: 2023-11-13T15:55:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source