These entries are queried from radb.net using whois, you can try my project getting these.
:AS131625 route6: 2403:3ac0::/32 descr: Yu-Feng Technology Co. Ltd. origin: AS131625 mnt-by: SHINCHENG-AS131613 changed: admin [at] shincheng.net 20181109 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2403:3ac0::/32 descr: Taiwan Fixed Network Proxy registration for AS131625 origin: AS131625 notify: iptac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: roddickdai [at] taiwanmobile.com 20180808 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2403:3ac0::/32 descr: Taiwan Fixed Network Proxy registration for AS131625 origin: AS131625 notify: iptac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: roddickdai [at] taiwanmobile.com 20180807 source: RADB last-modified: 2023-11-13T15:54:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source