These entries are queried from radb.net using whois, you can try my project getting these.
:AS18241 route: 210.77.176.0/20 origin: AS18241 descr: China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District, mnt-by: MAINT-CNNIC-AP last-modified: 2020-07-16T03:09:34Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.77.176.0/20 origin: AS18241 descr: XinTongGongSi mnt-by: MAINT-FIBRLINK changed: lelewangyiqun [at] 163.com 20220323 #07:09:24Z source: RADB last-modified: 2023-11-13T16:10:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:6f00::/32 origin: AS18241 descr: XinTongGongSi mnt-by: MAINT-FIBRLINK changed: lelewangyiqun [at] 163.com 20220323 #07:22:34Z source: RADB last-modified: 2023-11-13T16:10:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source