These entries are queried from radb.net using whois, you can try my project getting these.
:AS138457 route: 45.120.240.0/22 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:41:58Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.120.240.0/23 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.120.240.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:04Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.120.241.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:07Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.120.242.0/23 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:10Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.120.242.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:14Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.120.243.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:17Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.61.60.0/22 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:29Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.61.60.0/23 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:32Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.61.60.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:35Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.61.61.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:38Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.61.62.0/23 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:41Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.61.62.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:44Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.61.63.0/24 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:42:46Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.126.16.0/24 origin: AS138457 descr: China Academy of Information and Communications Technology No.52, Hua Yuan Bei Road, Haidian District, Beijing, China mnt-by: MAINT-CAICT-CN last-modified: 2019-08-19T10:59:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.126.17.0/24 origin: AS138457 descr: China Academy of Information and Communications Technology No.52, Hua Yuan Bei Road, Haidian District, Beijing, China mnt-by: MAINT-CAICT-CN last-modified: 2019-08-19T11:03:26Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.126.18.0/24 origin: AS138457 descr: China Academy of Information and Communications Technology No.52, Hua Yuan Bei Road, Haidian District, Beijing, China mnt-by: MAINT-CAICT-CN last-modified: 2019-08-19T11:06:32Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.126.19.0/24 origin: AS138457 descr: China Academy of Information and Communications Technology No.52, Hua Yuan Bei Road, Haidian District, Beijing, China mnt-by: MAINT-CAICT-CN last-modified: 2019-08-19T11:08:13Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:7d80::/32 descr: China Academy of Information and Communications Technology origin: AS138457 mnt-by: MAINT-CNNIC-AP last-modified: 2020-09-27T08:43:21Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2404:240::/32 origin: AS138457 descr: China Academy of Information and Communications Technology No.52, Hua Yuan Bei Road, Haidian District, Beijing, China mnt-by: MAINT-CAICT-CN last-modified: 2019-08-19T11:11:30Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source