These entries are queried from radb.net using whois, you can try my project getting these.
:AS131671 route: 103.146.212.0/24 descr: Taiwan Fixed Network 9924 Transit wanin origin: AS131671 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20200326 source: radb last-modified: 2023-11-13T16:00:17Z rpki-ov-state: valid route: 103.146.212.0/24 descr: Taiwan Fixed Network 9924 Transit wanin origin: AS131671 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20200327 source: NTTCOM rpki-ov-state: valid route: 103.146.213.0/24 descr: Taiwan Fixed Network 9924 Transit wanin origin: AS131671 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20200326 source: radb last-modified: 2023-11-13T16:00:17Z rpki-ov-state: valid route: 103.146.213.0/24 descr: Taiwan Fixed Network 9924 Transit wanin origin: AS131671 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20200327 source: NTTCOM rpki-ov-state: valid