These entries are queried from radb.net using whois, you can try my project getting these.
:AS18438 route: 192.200.1.0/24 origin: AS18438 descr: BBHC route object admin-c: netops-defense tech-c: netops-defense notify: netops [at] defense.net mnt-by: MAINT-AS55002 changed: netops [at] defense.net 20200401 #20:08:16Z source: RADB last-modified: 2023-11-13T16:00:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.2.0/23 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.2.0/24 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.3.0/24 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.4.0/23 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.4.0/24 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.5.0/24 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.6.0/23 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.6.0/24 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.7.0/24 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.200.8.0/24 origin: AS18438 descr: route object for Brown Brothers Harriman & Co. admin-c: netops-defense tech-c: netops-defense notify: netops [at] defense.net mnt-by: MAINT-AS55002 changed: netops [at] defense.net 20191009 #19:55:15Z source: RADB last-modified: 2023-11-13T15:58:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.17.0/24 descr: PNAP-NYM brown-12 origin: AS18438 mnt-by: MAINT-AS1828 changed: mackb [at] inap.com 20220412 source: RADB last-modified: 2023-11-13T16:16:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.18.0/24 descr: PNAP-NYM brown-12 origin: AS18438 mnt-by: MAINT-AS1828 changed: mackb [at] inap.com 20220412 source: RADB last-modified: 2023-11-13T16:16:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.19.0/24 descr: Proxy registration to prevent harm from ARIN-NONAUTH shutdown origin: AS18438 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: 204.136.23.0/24 descr: proxy object for ARIN-NONAUTH customer objects origin: AS18438 mnt-by: MAINT-AS8220 changed: mark.borchardt [at] colt.net 20200611 source: RADB last-modified: 2023-11-13T16:00:58Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.24.0/23 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.24.0/24 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.25.0/24 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.26.0/23 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.26.0/24 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.27.0/24 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.28.0/23 descr: PNAP-NYC brown origin: AS18438 mnt-by: MAINT-AS1828 changed: dom [at] internap.com 20000912 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.28.0/24 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.29.0/24 descr: PNAP-BSN PNAP-BSN-BROWN-2 origin: AS18438 mnt-by: MAINT-AS1828 changed: shawnb [at] internap.com 20031103 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.30.0/24 descr: PNAP-BSN brown routes origin: AS18438 mnt-by: MAINT-AS1828 changed: rloose [at] internap.com 20080211 source: RADB last-modified: 2023-11-13T16:14:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.136.31.0/24 descr: PNAP-BSN brown routes origin: AS18438 mnt-by: MAINT-AS1828 changed: rloose [at] internap.com 20080211 source: RADB last-modified: 2023-11-13T16:14:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source