These entries are queried from radb.net using whois, you can try my project getting these.
:AS393978 route: 64.191.2.0/24 descr: ttd_fra_64.191.2.0_24 origin: AS393978 mnt-by: IDCO-MNT created: 2015-08-27T19:37:34Z last-modified: 2018-09-04T18:13:54Z 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 route: 104.247.53.0/24 descr: Interactive Data Route 2 origin: AS393978 mnt-by: MAINT-AS62833 changed: jrobator [at] hudsonfiber.com 20160429 #00:39:55Z source: RADB last-modified: 2023-11-13T15:49:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source