These entries are queried from radb.net using whois, you can try my project getting these.
:AS131373 route: 103.13.76.0/22 descr: Proxy-registered route object origin: AS131373 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20130425 source: RADB last-modified: 2023-11-13T15:45:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.76.0/22 descr: Bo KH&CN - VIET NAM origin: AS131373 notify: noc [at] vnn.vn notify: bachhm [at] vdc.com.vn mnt-by: MAINT-VDC changed: bachhm [at] vdc.com.vn 20130403 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.76.0/23 descr: route object of MOST - VN origin: AS131373 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: noc_ip [at] viettel.com.vn 20170701 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.76.0/23 descr: Proxy-registered route object origin: AS131373 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20130425 source: RADB last-modified: 2023-11-13T15:45:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.76.0/24 descr: Proxy-registered route object origin: AS131373 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20130425 source: RADB last-modified: 2023-11-13T15:45:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.76.0/24 descr: route object of MOST - VN origin: AS131373 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: noc_ip [at] viettel.com.vn 20170701 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.77.0/24 descr: route object of MOST - VN origin: AS131373 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: noc_ip [at] viettel.com.vn 20170701 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.77.0/24 descr: Proxy-registered route object origin: AS131373 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20130425 source: RADB last-modified: 2023-11-13T15:45:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.78.0/23 descr: Proxy-registered route object origin: AS131373 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20130425 source: RADB last-modified: 2023-11-13T15:45:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.78.0/23 descr: route object of MOST - VN origin: AS131373 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: noc_ip [at] viettel.com.vn 20170701 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.78.0/24 descr: Proxy-registered route object origin: AS131373 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20130425 source: RADB last-modified: 2023-11-13T15:45:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.78.0/24 descr: route object of MOST - VN origin: AS131373 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: noc_ip [at] viettel.com.vn 20170701 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.79.0/24 descr: route object of MOST - VN origin: AS131373 remarks: this route is from customer of VIETTEL mnt-by: MAINT-VIETTEL changed: noc_ip [at] viettel.com.vn 20170701 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.13.79.0/24 descr: Proxy-registered route object origin: AS131373 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20130425 source: RADB last-modified: 2023-11-13T15:45:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df1:b080::/48 origin: AS131373 descr: BoKhoaHocCongNghe mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20191101 #04:46:30Z source: RADB last-modified: 2023-11-13T15:58:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df1:b080::/48 descr: IPv6 prefix of Information Center - Ministry of Science and Technology 131373 origin: AS131373 notify: noc [at] netnam.vn mnt-by: MAINT-NETNAM-HCM changed: pop-hk [at] netnam.vn 20191101 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source