These entries are queried from radb.net using whois, you can try my project getting these.
:AS19528 route: 68.64.56.0/21 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 68.64.57.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 68.64.61.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 68.64.62.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 68.69.1.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 68.69.2.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 68.69.12.0/22 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 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: 68.69.12.0/23 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 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: 74.209.164.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 74.209.174.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 74.209.179.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 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: 74.209.184.0/21 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 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: 74.209.191.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 mnt-by: MAINT-AS7034 changed: kennethfinnegan2007 [at] gmail.com 20220404 source: ALTDB rpki-ov-state: valid route: 192.245.91.0/24 descr: ByteGrid Silver Spring origin: AS19528 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20160922 source: RADB last-modified: 2023-11-13T15:49:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.49.167.0/24 descr: ByteGrid Silver Spring origin: AS19528 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20160922 source: RADB last-modified: 2023-11-13T15:49:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.175.168.0/24 descr: ByteGrid origin: AS19528 mnt-by: MAINT-AS27506 changed: yikehara [at] lightower.com 20170414 source: RADB last-modified: 2023-11-13T15:50:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:2400:300::/40 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 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: 2605:2400:400::/40 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS19528 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