These entries are queried from radb.net using whois, you can try my project getting these.
:AS53740 route: 23.159.32.0/23 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS53740 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.159.32.0/24 descr: optbit LLC descr: 1018 Anderson Road descr: Duluth, MN origin: AS53740 mnt-by: MNT-OL-165 notify: abhi [at] devireddy.com changed: abhi [at] devireddy.com 20190730 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.159.33.0/24 descr: optbit LLC descr: 1018 Anderson Road descr: Duluth, MN origin: AS53740 mnt-by: MNT-OL-165 notify: abhi [at] devireddy.com changed: abhi [at] devireddy.com 20190730 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.31.244.0/22 origin: AS53740 descr: N0NCE admin-c: SMITH5996 tech-c: SMITH5996 notify: hostmaster [at] ardc.net mnt-by: MAINT-ARDC changed: chris [at] ardc.net 20231203 # 2244Z source: RADB last-modified: 2023-12-03T22:44:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.94.64.0/22 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS53740 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.94.68.0/22 descr: N0NCE origin: AS53740 mnt-by: MAINT-AMPR changed: bk29 [at] ampr.org 20190824 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 98.142.180.0/24 descr: optbit LLC descr: 1018 Anderson Road descr: Duluth, MN origin: AS53740 mnt-by: MNT-OL-165 notify: abhi [at] devireddy.com changed: abhi [at] devireddy.com 20190828 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:fe26::/36 descr: optbit LLC descr: 1018 Anderson Road descr: Duluth, MN origin: AS53740 mnt-by: MNT-OL-165 notify: abhi [at] devireddy.com changed: abhi [at] devireddy.com 20190730 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source