These entries are queried from radb.net using whois, you can try my project getting these.
:AS23962 route: 117.122.116.0/22 descr: VNIX origin: AS23962 mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20170601 #17:35:42Z source: RADB last-modified: 2023-11-13T16:06:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.122.116.0/22 descr: VNNIC-AS-VN origin: AS23962 mnt-by: MAINT-VN-VNNIC last-modified: 2017-06-14T09:43:49Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.122.116.0/22 descr: CMI IP Transit origin: AS23962 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20170605 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.122.116.0/24 descr: CMI IP Transit origin: AS23962 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20170605 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.122.116.0/24 descr: CMI (Customer Route) origin: AS23962 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20170605 source: RADB last-modified: 2023-11-13T15:51:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:dc8:3000::/48 descr: VNNIC-AS-VN origin: AS23962 mnt-by: MAINT-VN-VNNIC last-modified: 2017-06-14T09:42:25Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:de8:a::/48 descr: VNNIC origin: AS23962 remarks: mailto:noc [at] vnn.vn notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20120529 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source