These entries are queried from radb.net using whois, you can try my project getting these.
:AS11661 route: 23.152.112.0/24 descr: Route origin: AS11661 mnt-by: MNT-SSL-1107 changed: arin [at] semicubic.com 20200314 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.60.81.0/24 descr: NextWeb: Parcel Pro (Customer) origin: AS11661 notify: routing [at] nextweb.net mnt-by: MAINT-AS16467 changed: routing [at] nextweb.net 20071224 #21:11:38(UTC) source: RADB last-modified: 2023-11-13T15:39:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.248.172.0/22 origin: AS11661 descr: Semicubic-4 admin-c: ADMIN7248-ARIN tech-c: ADMIN7248-ARIN mnt-by: MNT-SSL-1107 created: 2021-04-15T19:42:59Z last-modified: 2021-04-15T19:42:59Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:804:9000::/44 descr: Route6 origin: AS11661 mnt-by: MNT-SSL-1107 changed: arin [at] semicubic.com 20200314 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source