These entries are queried from radb.net using whois, you can try my project getting these.
:AS10497 route: 138.220.0.0/16 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS10497 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: 164.114.0.0/16 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS10497 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: 192.86.97.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS10497 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: 192.86.106.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS10497 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 route6: 2620:1ff::/36 origin: AS10497 descr: 1818 H Street, NW Washington DC 20433 United States admin-c: REVUT-ARIN tech-c: IP12-ARIN tech-c: REVUT-ARIN mnt-by: MNT-IBRD created: 2023-06-14T22:59:59Z last-modified: 2023-06-14T22:59:59Z source: ARIN rpki-ov-state: valid