These entries are queried from radb.net using whois, you can try my project getting these.
:AS55305 route: 103.133.100.0/22 descr: ODSJSC-VN origin: AS55305 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-17T12:37:27Z source: APNIC rpki-ov-state: valid route: 103.133.100.0/22 descr: ODSJSC-VN origin: AS55305 notify: tdm [at] htc-itc.com.vn mnt-by: MAINT-HANOITELECOM changed: loanht [at] htc-itc.com.vn20190520 20190720 source: NTTCOM rpki-ov-state: valid route: 103.133.100.0/22 descr: Proxy-registered route object origin: AS55305 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20190720 source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route: 103.133.100.0/23 descr: ODSJSC-VN origin: AS55305 notify: tdm [at] htc-itc.com.vn mnt-by: MAINT-HANOITELECOM changed: loanht [at] htc-itc.com.vn20190520 20190720 source: NTTCOM rpki-ov-state: valid route: 103.133.100.0/23 descr: Proxy-registered route object origin: AS55305 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20190720 source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route: 103.133.100.0/23 descr: ODSJSC-VN origin: AS55305 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-17T12:37:30Z source: APNIC rpki-ov-state: valid route: 103.133.100.0/24 descr: ODSJSC-VN origin: AS55305 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-17T12:37:34Z source: APNIC rpki-ov-state: valid route: 103.133.100.0/24 descr: ODSJSC-VN origin: AS55305 notify: tdm [at] htc-itc.com.vn mnt-by: MAINT-HANOITELECOM changed: loanht [at] htc-itc.com.vn20190520 20190720 source: NTTCOM rpki-ov-state: valid route: 103.133.100.0/24 descr: Proxy-registered route object origin: AS55305 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20190720 source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route: 103.133.101.0/24 descr: ODSJSC-VN origin: AS55305 notify: tdm [at] htc-itc.com.vn mnt-by: MAINT-HANOITELECOM changed: loanht [at] htc-itc.com.vn20190520 20190720 source: NTTCOM rpki-ov-state: valid route: 103.133.101.0/24 descr: Proxy-registered route object origin: AS55305 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20190720 source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route: 103.133.101.0/24 descr: ODSJSC-VN origin: AS55305 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-17T12:37:37Z source: APNIC rpki-ov-state: valid route: 103.133.102.0/23 descr: ODSJSC-VN origin: AS55305 notify: tdm [at] htc-itc.com.vn mnt-by: MAINT-HANOITELECOM changed: loanht [at] htc-itc.com.vn20190520 20190720 source: NTTCOM rpki-ov-state: valid route: 103.133.102.0/23 descr: Proxy-registered route object origin: AS55305 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20190720 source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route: 103.133.102.0/23 descr: ODSJSC-VN origin: AS55305 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-17T12:37:40Z source: APNIC rpki-ov-state: valid route: 103.133.102.0/24 descr: Proxy-registered route object origin: AS55305 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20190720 source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route: 103.133.102.0/24 descr: ODSJSC-VN origin: AS55305 notify: tdm [at] htc-itc.com.vn mnt-by: MAINT-HANOITELECOM changed: loanht [at] htc-itc.com.vn20190520 20190720 source: NTTCOM rpki-ov-state: valid route: 103.133.102.0/24 descr: ODSJSC-VN origin: AS55305 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-17T12:37:43Z source: APNIC rpki-ov-state: valid route: 103.133.103.0/24 descr: Proxy-registered route object origin: AS55305 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20190720 source: RADB last-modified: 2023-11-13T15:56:46Z rpki-ov-state: valid route: 103.133.103.0/24 descr: ODSJSC-VN origin: AS55305 mnt-by: MAINT-VN-VNNIC last-modified: 2022-01-17T12:37:46Z source: APNIC rpki-ov-state: valid route: 103.133.103.0/24 descr: ODSJSC-VN origin: AS55305 notify: tdm [at] htc-itc.com.vn mnt-by: MAINT-HANOITELECOM changed: loanht [at] htc-itc.com.vn20190520 20190720 source: NTTCOM rpki-ov-state: valid