These entries are queried from radb.net using whois, you can try my project getting these.
:AS63141 route: 64.62.177.0/24 origin: AS63141 descr: NET-64-62-177-0-24-AS63141 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:21:46Z last-modified: 2022-01-20T20:21:46Z rpki-ov-state: valid route: 192.35.250.0/24 descr: XACTLY origin: AS63141 mnt-by: MAINT-AS63141 changed: sargun [at] sargun.me 20140903 #00:36:04Z source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: valid