These entries are queried from radb.net using whois, you can try my project getting these.
:AS139849 route: 103.146.66.0/23 descr: Proxy-registered route object origin: AS139849 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230203 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: valid route: 103.146.66.0/23 origin: AS139849 descr: Royal Esprit Company Limited Sein Talay Street, No.(5) Myawaddy, Kayin State, Myanmar mnt-by: MAINT-ROYALESPRIT-MM last-modified: 2019-12-15T07:40:36Z country: MM source: APNIC rpki-ov-state: valid route: 103.146.66.0/23 descr: Proxy-registered route object origin: AS139849 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 20230203 source: NTTCOM last-modified: 2023-02-03T17:23:54Z rpki-ov-state: valid route: 103.146.66.0/24 descr: Proxy-registered route object origin: AS139849 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230203 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: valid route: 103.146.66.0/24 descr: Proxy-registered route object origin: AS139849 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 20230203 source: NTTCOM last-modified: 2023-02-03T17:23:54Z rpki-ov-state: valid route: 103.146.66.0/24 origin: AS139849 descr: Royal Esprit Company Limited Sein Talay Street, No.(5) Myawaddy, Kayin State, Myanmar mnt-by: MAINT-ROYALESPRIT-MM last-modified: 2021-05-28T17:33:48Z source: APNIC rpki-ov-state: valid route: 103.146.67.0/24 origin: AS139849 descr: Royal Esprit Company Limited Sein Talay Street, No.(5) Myawaddy, Kayin State, Myanmar mnt-by: MAINT-ROYALESPRIT-MM last-modified: 2021-05-28T17:34:05Z source: APNIC rpki-ov-state: valid route: 103.146.67.0/24 descr: Proxy-registered route object origin: AS139849 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 20230203 source: NTTCOM last-modified: 2023-02-03T17:23:54Z rpki-ov-state: valid route: 103.146.67.0/24 descr: Proxy-registered route object origin: AS139849 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230203 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: valid route6: 2001:df2:4e80::/48 origin: AS139849 descr: Royal Esprit Company Limited Sein Talay Street, No.(5) Myawaddy, Kayin State, Myanmar mnt-by: MAINT-ROYALESPRIT-MM last-modified: 2019-12-16T07:53:11Z country: MM source: APNIC rpki-ov-state: valid