These entries are queried from radb.net using whois, you can try my project getting these.
:AS63754 route: 103.68.240.0/22 descr: VMG-VN origin: AS63754 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-20T11:15:32Z source: APNIC rpki-ov-state: valid route: 103.68.240.0/22 descr: CMI IP Transit origin: AS63754 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 20161011 source: NTTCOM rpki-ov-state: valid route: 103.68.240.0/22 descr: Customer VMG Routes origin: AS63754 mnt-by: MAINT-AS45899 changed: radb [at] vnpt.vn 20161008 #15:37:36Z source: RADB last-modified: 2023-11-13T16:06:53Z rpki-ov-state: valid route: 103.68.240.0/23 descr: route object of VMG - VN origin: AS63754 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: minhna4 [at] viettel.com.vn 20161018 source: NTTCOM rpki-ov-state: valid route: 103.68.240.0/23 descr: VMG-VN origin: AS63754 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-20T11:15:35Z source: APNIC rpki-ov-state: valid route: 103.68.240.0/24 descr: VMG-VN origin: AS63754 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-20T11:15:38Z source: APNIC rpki-ov-state: valid route: 103.68.240.0/24 descr: CMI (Customer Route) origin: AS63754 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20180620 source: RADB last-modified: 2023-11-13T15:54:00Z rpki-ov-state: valid route: 103.68.240.0/24 descr: route object of VMG - VN origin: AS63754 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: minhna4 [at] viettel.com.vn 20161018 source: NTTCOM rpki-ov-state: valid route: 103.68.241.0/24 descr: route object of VMG - VN origin: AS63754 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: minhna4 [at] viettel.com.vn 20161018 source: NTTCOM rpki-ov-state: valid route: 103.68.241.0/24 descr: VMG-VN origin: AS63754 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-20T11:15:41Z source: APNIC rpki-ov-state: valid route: 103.68.241.0/24 descr: CMI (Customer Route) origin: AS63754 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20180620 source: RADB last-modified: 2023-11-13T15:54:00Z rpki-ov-state: valid route: 103.68.242.0/23 descr: VMG-VN origin: AS63754 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-20T11:15:44Z source: APNIC rpki-ov-state: valid route: 103.68.242.0/23 descr: route object of VMG - VN origin: AS63754 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: minhna4 [at] viettel.com.vn 20161018 source: NTTCOM rpki-ov-state: valid route: 103.68.242.0/24 descr: route object of VMG - VN origin: AS63754 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: minhna4 [at] viettel.com.vn 20161018 source: NTTCOM rpki-ov-state: valid route: 103.68.242.0/24 descr: VMG-VN origin: AS63754 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-20T11:15:47Z source: APNIC rpki-ov-state: valid route: 103.68.242.0/24 descr: CMI (Customer Route) origin: AS63754 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20180620 source: RADB last-modified: 2023-11-13T15:54:00Z rpki-ov-state: valid route: 103.68.243.0/24 descr: VMG-VN origin: AS63754 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-20T11:15:50Z source: APNIC rpki-ov-state: valid route: 103.68.243.0/24 descr: CMI (Customer Route) origin: AS63754 mnt-by: MAINT-AS58453 changed: qas_support [at] cmi.chinamobile.com 20180620 source: RADB last-modified: 2023-11-13T15:54:00Z rpki-ov-state: valid route: 103.68.243.0/24 descr: route object of VMG - VN origin: AS63754 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: minhna4 [at] viettel.com.vn 20161018 source: NTTCOM rpki-ov-state: valid