These entries are queried from radb.net using whois, you can try my project getting these.
:AS133897 route: 103.251.132.0/23 descr: route object for 103.251.132.0/23 origin: AS133897 mnt-by: MAINT-PEACCDPT-PW country: PW last-modified: 2015-02-04T23:44:37Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.251.132.0/24 descr: Proxy-registered route object origin: AS133897 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20150319 source: RADB last-modified: 2023-11-13T15:47:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.251.132.0/24 descr: Proxy-registered route object origin: AS133897 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 20150320 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.251.133.0/24 descr: Proxy-registered route object origin: AS133897 notify: matthew.chan [at] hgc.com.hk mnt-by: MAINT-HGC-INTL changed: matthew.chan [at] hgc.com.hk 20150319 source: RADB last-modified: 2023-11-13T15:47:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.251.133.0/24 descr: Proxy-registered route object origin: AS133897 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 20150320 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source