These entries are queried from radb.net using whois, you can try my project getting these.
:AS393636 route: 72.15.128.0/20 descr: Added on behalf of 1573779 Ontario Inc. origin: AS393636 remarks: Added on behalf of 1573779 Ontario Inc. mnt-by: MAINT-AS812 changed: taimoor.chaudhry [at] rci.rogers.com 20141211 #18:43:51Z source: RADB last-modified: 2023-11-13T15:47:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.81.70.0/23 origin: AS393636 descr: Nplus Networks admin-c: NPLUS-ARIN tech-c: ELLIT1-ARIN tech-c: JUDGE13-ARIN tech-c: NPLUS-ARIN mnt-by: MNT-NPNC created: 2021-03-08T18:17:27Z last-modified: 2021-03-08T18:17:27Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source