These entries are queried from radb.net using whois, you can try my project getting these.
:AS17319 route: 74.121.248.0/23 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 74.121.250.0/23 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 74.121.252.0/23 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 74.121.254.0/23 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.96.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.97.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.98.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.99.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.100.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.101.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.102.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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: 208.88.103.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS17319 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