These entries are queried from radb.net using whois, you can try my project getting these.
:AS53483 route: 70.39.240.0/24 origin: AS53483 mnt-by: MNT-RESOU-30 descr: ReSource Pro, LLC tech-c: NOC11335-ARIN admin-c: NOC11335-ARIN source: ARIN created: 2020-11-10T05:20:19Z last-modified: 2020-11-10T05:20:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 70.39.240.0/24 descr: PKXG-CUST-RESOURC0-02 origin: AS53483 mnt-by: MAINT-AS3257 changed: netops [at] mzima.net 20110131 #12:56:48Z changed: netguard [at] gtt.net 20181101 source: RADB last-modified: 2023-11-13T15:55:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.223.104.0/24 origin: AS53483 mnt-by: MNT-RESOU-30 descr: ReSource Pro, LLC tech-c: NOC11335-ARIN admin-c: NOC11335-ARIN source: ARIN created: 2020-11-09T05:12:51Z last-modified: 2020-11-09T05:12:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source