These entries are queried from radb.net using whois, you can try my project getting these.
:AS38737 route: 203.119.68.0/22 descr: Branch of VNNIC in Ho Chi Minh City origin: AS38737 notify: hm-changed [at] vnnic.net.vn notify: hm-changed [at] vnnic.net.vn mnt-by: MAINT-VDC changed: vngoc [at] vdc.com.vn 20090319 source: NTTCOM rpki-ov-state: valid route: 203.119.68.0/22 descr: Vietnam Internet Network Information Center descr: NIR descr: HCMC New DNS site country: VN origin: AS38737 member-of: rs-vnnicnew mnt-by: MAINT-VN-VNNIC last-modified: 2008-11-20T03:56:49Z source: APNIC rpki-ov-state: valid route: 203.119.68.0/22 descr: CMI (Customer Route) origin: AS38737 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: 203.119.68.0/23 origin: AS38737 descr: Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi mnt-by: MAINT-VN-VNNIC last-modified: 2021-12-23T11:13:00Z source: APNIC rpki-ov-state: valid route: 203.119.68.0/24 origin: AS38737 descr: Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi mnt-by: MAINT-VN-VNNIC last-modified: 2021-12-23T11:13:02Z source: APNIC rpki-ov-state: valid route: 203.119.69.0/24 origin: AS38737 descr: Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi mnt-by: MAINT-VN-VNNIC last-modified: 2021-12-23T11:13:04Z source: APNIC rpki-ov-state: valid route: 203.119.70.0/23 origin: AS38737 descr: Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi mnt-by: MAINT-VN-VNNIC last-modified: 2021-12-23T11:13:05Z source: APNIC rpki-ov-state: valid route: 203.119.70.0/24 origin: AS38737 descr: Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi mnt-by: MAINT-VN-VNNIC last-modified: 2021-12-23T11:13:07Z source: APNIC rpki-ov-state: valid route: 203.119.71.0/24 origin: AS38737 descr: Vietnam Internet Network Information Center (VNNIC) 18 Nguyen Du Str, Hai Ba Trung District, Hanoi City, Vietnam 24th floor, VNTA Tower, Duong Dinh Nghe, Cau Giay, Hanoi mnt-by: MAINT-VN-VNNIC last-modified: 2021-12-23T11:13:08Z source: APNIC rpki-ov-state: valid route6: 2001:dc8:d000::/48 descr: VNNIC-AS-VN origin: AS38737 mnt-by: MAINT-VN-VNNIC last-modified: 2017-06-14T09:37:26Z source: APNIC rpki-ov-state: valid