These entries are queried from radb.net using whois, you can try my project getting these.
:AS139752 route: 103.144.156.0/23 descr: Proxy-registered route object origin: AS139752 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 20191127 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.156.0/23 descr: Proxy-registered route object origin: AS139752 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20191127 source: RADB last-modified: 2023-11-13T15:59:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.156.0/23 origin: AS139752 descr: Multinetwork Cable Television, Inc Multinetwork Building, Mampulog, Brgy. Bitas, mnt-by: MAINT-MCTI-PH last-modified: 2019-10-30T03:32:24Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.156.0/24 origin: AS139752 descr: Multinetwork Cable Television, Inc Multinetwork Building, Mampulog, Brgy. Bitas, mnt-by: MAINT-MCTI-PH last-modified: 2020-02-15T02:20:25Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.156.0/24 descr: Proxy-registered route object origin: AS139752 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20191127 source: RADB last-modified: 2023-11-13T15:59:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.156.0/24 descr: Proxy-registered route object origin: AS139752 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 20191127 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.157.0/24 descr: Proxy-registered route object origin: AS139752 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 20191127 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.157.0/24 origin: AS139752 descr: Multinetwork Cable Television, Inc Multinetwork Building, Mampulog, Brgy. Bitas, mnt-by: MAINT-MCTI-PH last-modified: 2019-10-30T03:33:17Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.144.157.0/24 descr: Proxy-registered route object origin: AS139752 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20191127 source: RADB last-modified: 2023-11-13T15:59:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source