These entries are queried from radb.net using whois, you can try my project getting these.
:AS38608 route: 117.55.248.0/21 descr: Proxy-registered route object origin: AS38608 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20100113 source: RADB last-modified: 2023-11-13T15:40:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.55.248.0/21 descr: Proxy-registered route object origin: AS38608 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 20170617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.55.252.0/22 descr: Proxy-registered route object origin: AS38608 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 20170617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.55.252.0/22 descr: Proxy-registered route object origin: AS38608 mnt-by: MAINT-AS38082 changed: netadmin [at] trueintergateway.com 20110624 #07:31:24Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.55.254.0/23 descr: Proxy-registered route object origin: AS38608 mnt-by: MAINT-AS38082 changed: netadmin [at] trueintergateway.com 20110624 #07:27:46Z source: RADB last-modified: 2023-11-13T16:02:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.55.254.0/23 descr: Proxy-registered route object origin: AS38608 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 20170617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.55.254.0/24 descr: Proxy-registered route object origin: AS38608 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20071210 source: RADB last-modified: 2023-11-13T15:40:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.55.254.0/24 descr: Proxy-registered route object origin: AS38608 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 20170617 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source