These entries are queried from radb.net using whois, you can try my project getting these.
:AS205590 route6: 2602:feda:1a0::/44 descr: Guannan Chen origin: AS205590 notify: nat [at] nat.moe mnt-by: MNT-NRL-25 changed: nat [at] nat.moe 20170928 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:feda:af1::/48 descr: Guannan Chen origin: AS205590 mnt-by: MNT-NRL-25 changed: noc [at] nat.moe 20170730 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a0b:4340:54::/48 descr: Misaka Network -> IonSwitch Customer origin: AS205590 mnt-by: MAINT-AS23033 changed: support [at] wowrack.com 20170810 #04:03:27Z source: RADB last-modified: 2023-11-13T15:51:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a0b:4340:59::/48 descr: AS-MITSUHA origin: AS205590 admin-c: Barry Murphy tech-c: Barry Murphy mnt-by: MAINT-AS45177 changed: barry [at] vibecommunications.co.nz 20180415 #20:24:01Z source: RADB last-modified: 2023-11-13T15:53:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source