These entries are queried from radb.net using whois, you can try my project getting these.
:AS7478 route: 210.244.192.0/19 descr: Mackay Telecommunication Inc. 7F, #96, Sec.1, Hsin-Tai-Wu Road, Taipei, Taiwan, R.O.C origin: AS7478 mnt-by: MAINT-AS9919 changed: isp_noc [at] ncic.com.tw 20030721 changed: isp_noc [at] ncic.com.tw 20040209 #02:54:09(UTC) source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: valid route: 210.244.192.0/20 descr: Mackay Telecommunication Inc. 7F, #96, Sec.1, Hsin-Tai-Wu Road, Taipei, Taiwan, R.O.C origin: AS7478 mnt-by: MAINT-AS9919 changed: isp_noc [at] ncic.com.tw 20040209 #02:42:03(UTC) changed: isp_noc [at] ncic.com.tw 20040209 #02:45:01(UTC) source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: valid route: 210.244.208.0/20 descr: Mackay Telecommunication Inc. 7F, #96, Sec.1, Hsin-Tai-Wu Road, Taipei, Taiwan, R.O.C origin: AS7478 mnt-by: MAINT-AS9919 changed: isp_noc [at] ncic.com.tw 20040209 #02:47:28(UTC) source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: valid