These entries are queried from radb.net using whois, you can try my project getting these.
:AS63281 route: 45.59.64.0/20 descr: Exelion origin: AS63281 mnt-by: MAINT-AS40676 changed: william [at] psychz.net 20150818 #09:29:07Z source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.62.160.0/19 descr: Exelion origin: AS63281 mnt-by: MAINT-AS40676 changed: william [at] psychz.net 20150818 #09:28:05Z source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:1e6::/36 descr: Exelion origin: AS63281 mnt-by: MAINT-AS40676 changed: william [at] psychz.net 20160111 #00:53:10Z source: RADB last-modified: 2023-11-13T15:48:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source