These entries are queried from radb.net using whois, you can try my project getting these.
:AS38839 route: 103.159.176.0/23 origin: AS38839 descr: Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. mnt-by: MAINT-TW-TWNIC last-modified: 2021-01-22T05:15:49Z source: APNIC rpki-ov-state: valid route: 103.159.176.0/24 origin: AS38839 descr: Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. mnt-by: MAINT-TW-TWNIC last-modified: 2021-01-22T05:15:08Z source: APNIC rpki-ov-state: valid route: 103.159.177.0/24 origin: AS38839 descr: Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. mnt-by: MAINT-TW-TWNIC last-modified: 2021-01-22T05:15:32Z source: APNIC rpki-ov-state: valid route6: 2406:d7c0::/32 origin: AS38839 descr: Taiwan Network Information Center 3F., No. 123, Sec. 4, Bade Rd., Songshan Dist. mnt-by: MAINT-TW-TWNIC last-modified: 2021-01-22T05:16:07Z source: APNIC rpki-ov-state: valid