These entries are queried from radb.net using whois, you can try my project getting these.
:AS137787 route: 146.196.112.0/22 origin: AS137787 descr: chinatelecom liaoning network mnt-by: MAINT-AS17799 changed: wangzhe3.ln [at] chinatelecom.cn 20211024 #03:12:23Z source: RADB last-modified: 2023-11-13T16:08:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.196.112.0/24 descr: Lenovo (Beijing) Information Technology Ltd descr: NO.6 Shang Di West Road, Haidian District,Beijing, China country: CN origin: AS137787 mnt-by: MAINT-CNNIC-AP mnt-routes: MAINT-CNNIC-AP last-modified: 2020-02-13T05:13:05Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.196.113.0/24 descr: Lenovo (Beijing) Information Technology Ltd descr: NO.6 Shang Di West Road, Haidian District,Beijing, China country: CN origin: AS137787 mnt-by: MAINT-CNNIC-AP mnt-routes: MAINT-CNNIC-AP last-modified: 2020-02-13T05:13:06Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.196.114.0/24 descr: Lenovo (Beijing) Information Technology Ltd descr: NO.6 Shang Di West Road, Haidian District,Beijing, China country: CN origin: AS137787 mnt-by: MAINT-CNNIC-AP mnt-routes: MAINT-CNNIC-AP last-modified: 2020-02-13T05:13:07Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 146.196.115.0/24 descr: Lenovo (Beijing) Information Technology Ltd descr: NO.6 Shang Di West Road, Haidian District,Beijing, China country: CN origin: AS137787 mnt-by: MAINT-CNNIC-AP mnt-routes: MAINT-CNNIC-AP last-modified: 2020-02-13T05:13:08Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source