These entries are queried from radb.net using whois, you can try my project getting these.
:AS45445 route: 198.208.104.0/21 origin: AS45445 descr: GM Daewoo mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20190111 #05:19:05Z source: RADB last-modified: 2023-11-13T16:15:46Z rpki-ov-state: valid route: 198.208.104.0/21 origin: AS45445 descr: 200 Renaissance Center Detroit MI 48265 United States admin-c: GCNA-ARIN tech-c: KARUP2-ARIN mnt-by: MNT-GMED created: 2024-04-22T16:42:56Z last-modified: 2024-04-22T16:42:56Z source: ARIN rpki-ov-state: valid route: 198.208.104.0/22 origin: AS45445 descr: GM-AP-GMKOREA mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190626 #02:28:09Z source: RADB last-modified: 2023-11-13T15:56:40Z rpki-ov-state: valid route: 198.208.108.0/22 origin: AS45445 descr: GM-AP-GMKOREA mnt-by: MAINT-AS9318 changed: noc [at] skbroadband.com 20190626 #02:29:55Z source: RADB last-modified: 2023-11-13T15:56:40Z rpki-ov-state: valid