These entries are queried from radb.net using whois, you can try my project getting these.
:AS131609 route: 103.99.88.0/22 descr: Registered Route origin: AS131609 notify: noah [at] chief.com.tw mnt-by: MAINT-AS17408 changed: frances_laio [at] chief.com.tw 20171126 source: RADB last-modified: 2023-11-13T15:52:36Z rpki-ov-state: valid