These entries are queried from radb.net using whois, you can try my project getting these.
:AS131639 route: 103.129.146.0/24 descr: TIH Corp - imcloud origin: AS131639 mnt-by: MAINT-AS131639 changed: pichu [at] tih.tw 20210407 source: ALTDB rpki-ov-state: valid route: 103.129.146.0/24 descr: Customer Route - LOA provided origin: AS131639 mnt-by: MAINT-AS134823 changed: soc [at] imcloud.tw 20200508 #06:00:00Z source: RADB last-modified: 2023-11-13T16:00:39Z rpki-ov-state: valid route: 103.129.146.0/24 origin: AS131639 descr: Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. mnt-by: MAINT-TW-TWNIC last-modified: 2021-04-09T06:00:22Z source: APNIC rpki-ov-state: valid route6: 2403:7f40:f000::/48 origin: AS131639 descr: Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. mnt-by: MAINT-TW-TWNIC last-modified: 2021-04-09T06:00:40Z source: APNIC rpki-ov-state: valid route6: 2403:7f40:f000::/48 descr: TIH Corp - imcloud origin: AS131639 mnt-by: MAINT-AS131639 changed: pichu [at] tih.tw 20210407 source: ALTDB rpki-ov-state: valid