These entries are queried from radb.net using whois, you can try my project getting these.
:AS150357 route: 103.13.27.0/24 descr: University of Nagasaki X-Keiro:olab-noc [at] sun.ac.jp origin: AS150357 notify: olab-noc [at] sun.ac.jp mnt-by: MAINT-AS146979 changed: olab-noc [at] sun.ac.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2400:5320::/32 descr: University of Nagasaki X-Keiro:olab-noc [at] sun.ac.jp origin: AS150357 notify: olab-noc [at] sun.ac.jp mnt-by: MAINT-AS146979 changed: olab-noc [at] sun.ac.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2400:5320:ff00::/48 descr: University of Nagasaki X-Keiro:olab-noc [at] sun.ac.jp origin: AS150357 notify: olab-noc [at] sun.ac.jp mnt-by: MAINT-AS146979 changed: olab-noc [at] sun.ac.jp 20240201 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source