These entries are queried from radb.net using whois, you can try my project getting these.
:AS139588 route: 103.96.77.0/24 descr: Proxy-registered route object origin: AS139588 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230630 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.96.78.0/24 descr: Proxy-registered route object origin: AS139588 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230630 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.96.79.0/24 descr: Proxy-registered route object origin: AS139588 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20230630 source: RADB last-modified: 2023-11-13T16:17:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.142.5.0/24 descr: Proxy-registered route object origin: AS139588 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 20230115 source: NTTCOM last-modified: 2023-01-15T17:39:57Z rpki-ov-state: valid route: 103.142.5.0/24 origin: AS139588 descr: Proxy-registered route object remarks: This is a NECOMISP's downstream 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. notify: noc [at] neocomisp.com mnt-by: MAINT-AS9902 changed: netadmin [at] neocomisp.com 20230118 #07:26:58Z source: RADB last-modified: 2023-11-13T16:13:30Z rpki-ov-state: valid route: 103.142.5.0/24 origin: AS139588 descr: Institute of Technology of Cambodia PO Box 86, Russian Conf. Blvd. Phnom Penh, Cambodia. mnt-by: MAINT-ITC-CAM-KH last-modified: 2021-08-24T07:17:27Z source: APNIC rpki-ov-state: valid route: 103.208.64.0/24 origin: AS139588 descr: Institute of Technology of Cambodia PO Box 86, Russian Conf. Blvd. Phnom Penh, Cambodia. mnt-by: MAINT-ITC-CAM-KH last-modified: 2023-12-13T15:10:54Z source: APNIC rpki-ov-state: valid route: 103.208.64.0/24 descr: Proxy-registered route object origin: AS139588 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 20230526 source: NTTCOM last-modified: 2023-05-26T20:54:52Z rpki-ov-state: valid route: 103.208.64.0/24 origin: AS139588 descr: Proxy register for ITC-CAM-AS-AP mnt-by: MAINT-ANGKORENC-KH changed: noc [at] aenccambodia.com 20230525 #06:40:06Z source: RADB last-modified: 2023-11-13T16:17:23Z rpki-ov-state: valid route6: 2001:df1:2280::/48 origin: AS139588 descr: Institute of Technology of Cambodia PO Box 86, Russian Conf. Blvd. Phnom Penh, Cambodia. mnt-by: MAINT-ITC-CAM-KH last-modified: 2021-08-24T07:17:26Z source: APNIC rpki-ov-state: valid route6: 2001:df1:2280::/48 origin: AS139588 descr: NTC Downstream Institute of Technology of Cambodia admin-c: RATHANA VAN tech-c: RATHANA VAN notify: netadmin [at] neocomisp.com mnt-by: MAINT-AS9902 changed: netadmin [at] neocomisp.com 20190827 #05:07:32Z source: RADB last-modified: 2023-11-13T15:57:06Z rpki-ov-state: valid