These entries are queried from radb.net using whois, you can try my project getting these.
:AS61872 route: 201.149.100.0/22 descr: ITX-MHNET origin: AS61872 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181009 #13:40:14Z source: RADB last-modified: 2023-11-13T15:54:58Z rpki-ov-state: valid route6: 2804:1aa0::/32 descr: ITX-MHNET origin: AS61872 mnt-by: MAINT-AS18678 changed: noc [at] internexa.com 20181009 #13:41:11Z source: RADB last-modified: 2023-11-13T15:54:58Z rpki-ov-state: valid