These entries are queried from radb.net using whois, you can try my project getting these.
:AS131407 route: 103.231.148.0/22 descr: Sai Gon CTT 287B Dien Bien Phu, Ward 7, District 3, HCMC origin: AS131407 mnt-by: MAINT-AS18403 changed: netadmin [at] fpt.vn 20161210 #15:34:11Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: valid route: 103.231.148.0/22 descr: DTS origin: AS131407 notify: noc [at] vnn.vn notify: luanlt [at] vdc.com.vn notify: ntcong [at] vdc.com.vn mnt-by: MAINT-VDC changed: htruong [at] vdc.com.vn 20140531 source: NTTCOM rpki-ov-state: valid route: 103.231.148.0/22 descr: SGCTT-VN origin: AS131407 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-27T08:25:20Z source: APNIC rpki-ov-state: valid route: 103.231.148.0/23 descr: Proxy-registered route object origin: AS131407 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20170313 source: NTTCOM rpki-ov-state: valid route: 103.231.148.0/23 descr: Proxy-registered route object origin: AS131407 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20170313 source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: valid route: 103.231.148.0/23 descr: SGCTT-VN origin: AS131407 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-27T08:25:22Z source: APNIC rpki-ov-state: valid route: 103.231.148.0/24 descr: Proxy-registered route object origin: AS131407 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20170313 source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: valid route: 103.231.148.0/24 descr: Proxy-registered route object origin: AS131407 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20170313 source: NTTCOM rpki-ov-state: valid route: 103.231.148.0/24 descr: SGCTT-VN origin: AS131407 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-27T08:25:25Z source: APNIC rpki-ov-state: valid route: 103.231.149.0/24 descr: Proxy-registered route object origin: AS131407 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20170313 source: NTTCOM rpki-ov-state: valid route: 103.231.149.0/24 descr: Proxy-registered route object origin: AS131407 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20170313 source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: valid route: 103.231.149.0/24 descr: SGCTT-VN origin: AS131407 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-27T08:25:27Z source: APNIC rpki-ov-state: valid route: 103.231.150.0/23 descr: Proxy-registered route object origin: AS131407 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20170313 source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: valid route: 103.231.150.0/23 descr: Proxy-registered route object origin: AS131407 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20170313 source: NTTCOM rpki-ov-state: valid route: 103.231.150.0/23 descr: SGCTT-VN origin: AS131407 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-27T08:25:30Z source: APNIC rpki-ov-state: valid route: 103.231.150.0/24 descr: SGCTT-VN origin: AS131407 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-27T08:25:32Z source: APNIC rpki-ov-state: valid route: 103.231.150.0/24 descr: Proxy-registered route object origin: AS131407 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20170313 source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: valid route: 103.231.150.0/24 descr: Proxy-registered route object origin: AS131407 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20170313 source: NTTCOM rpki-ov-state: valid route: 103.231.151.0/24 descr: Proxy-registered route object origin: AS131407 remarks: This is a HGC customer route-object remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found. remarks: remarks: Please contact radb [at] hutchcity.com if you have any remarks: questions regarding this object. notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20170313 source: NTTCOM rpki-ov-state: valid route: 103.231.151.0/24 descr: SGCTT-VN origin: AS131407 mnt-by: MAINT-VN-VNNIC last-modified: 2022-05-27T08:25:34Z source: APNIC rpki-ov-state: valid route: 103.231.151.0/24 descr: Proxy-registered route object origin: AS131407 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20170313 source: RADB last-modified: 2023-11-13T15:50:53Z rpki-ov-state: valid