These entries are queried from radb.net using whois, you can try my project getting these.
:AS45229 route: 203.160.4.0/22 descr: KSC route object for UN ESCAPE origin: AS45229 notify: thanachaip [at] un.org mnt-by: MAINT-AS7693 changed: netadmin [at] ksc.net 20080724 #14:18:27Z changed: netadmin [at] ksc.net 20080729 #07:48:43Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.4.0/23 descr: UN UNCAP origin: AS45229 mnt-by: MAINT-AS7470 changed: kanpisit_nin [at] trueinternet.co.th 20130608 #08:06:56Z source: RADB last-modified: 2023-11-13T15:45:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.4.0/24 descr: UN-ESCAP origin: AS45229 notify: thanachaip [at] un.org mnt-by: MAINT-AS7693 changed: netadmin [at] ksc.net 20080710 #08:32:56Z changed: netadmin [at] ksc.net 20080710 #08:34:07Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.5.0/24 descr: UN-ESCAP origin: AS45229 notify: thanachaip [at] un.org mnt-by: MAINT-AS7693 changed: netadmin [at] ksc.net 20080710 #08:35:54Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.6.0/23 descr: UN UNCAP origin: AS45229 mnt-by: MAINT-AS7470 changed: kanpisit_nin [at] trueinternet.co.th 20130608 #08:09:12Z source: RADB last-modified: 2023-11-13T15:45:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.6.0/24 descr: UN-ESCAP origin: AS45229 notify: thanachaip [at] un.org mnt-by: MAINT-AS7693 changed: netadmin [at] ksc.net 20080710 #08:36:43Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.7.0/24 descr: UN-ESCAP origin: AS45229 notify: thanachaip [at] un.org mnt-by: MAINT-AS7693 changed: netadmin [at] ksc.net 20080710 #08:37:26Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.128.0/24 descr: Proxy-registered route object origin: AS45229 notify: radb [at] hutchcity.com mnt-by: MAINT-AS9304 changed: radb [at] hutchcity.com 20090103 source: RADB last-modified: 2023-11-13T15:40:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.160.128.0/24 descr: Proxy-registered route object origin: AS45229 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 20090103 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source