These entries are queried from radb.net using whois, you can try my project getting these.
:AS30353 route: 63.204.126.0/23 descr: Designed Internet origin: AS30353 notify: routing [at] adnc.com mnt-by: MAINT-ADN-WEST changed: nmontante [at] adnc.com 20030916 changed: routing [at] adnc.com 20040812 #19:27:59(UTC) source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.158.36.0/23 descr: Designed Internet origin: AS30353 notify: routing [at] adnc.com mnt-by: MAINT-ADN-WEST changed: nmontante [at] adnc.com 20030916 changed: routing [at] adnc.com 20040812 #19:29:00(UTC) source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.158.36.0/24 descr: Designed Internet origin: AS30353 notify: routing [at] adnc.com mnt-by: MAINT-ADN-WEST changed: nmontante [at] adnc.com 20030916 changed: routing [at] adnc.com 20040812 #19:27:02(UTC) source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.158.37.0/24 descr: Designed Internet origin: AS30353 notify: routing [at] adnc.com mnt-by: MAINT-ADN-WEST changed: nmontante [at] adnc.com 20030916 changed: routing [at] adnc.com 20040812 #19:27:21(UTC) source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.158.38.0/24 descr: Designed Internet origin: AS30353 notify: routing [at] adnc.com mnt-by: MAINT-ADN-WEST changed: nmontante [at] adnc.com 20030916 changed: routing [at] adnc.com 20040812 #19:27:41(UTC) source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.100.208.0/24 descr: Designed Internet origin: AS30353 notify: routing [at] adnc.com mnt-by: MAINT-ADN-WEST changed: nmontante [at] adnc.com 20030916 changed: routing [at] adnc.com 20040812 #19:28:40(UTC) source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.103.244.0/24 descr: Designed Internet origin: AS30353 notify: routing [at] adnc.com mnt-by: MAINT-ADN-WEST changed: nmontante [at] adnc.com 20030916 changed: routing [at] adnc.com 20040812 #19:28:21(UTC) source: RADB last-modified: 2023-11-13T15:39:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source