These entries are queried from radb.net using whois, you can try my project getting these.
:AS55971 route: 103.247.176.0/22 origin: AS55971 descr: regist for zhongguoshekeyuan mnt-by: MAINT-AS4847 changed: xuhui.bj [at] chinatelecom.cn 20200603 #06:57:45Z source: RADB last-modified: 2023-11-13T16:00:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source