These entries are queried from radb.net using whois, you can try my project getting these.
:AS133188 route: 159.21.128.0/22 descr: MWH Sydney POP origin: AS133188 mnt-by: MAINT-AS62982 changed: bill.j.walker [at] mwhglobal.com 20140304 #23:46:33Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 159.21.128.0/24 descr: MWH Sydney POP origin: AS133188 mnt-by: MAINT-AS62982 changed: bill.j.walker [at] mwhglobal.com 20140304 #23:46:33Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 159.21.129.0/24 descr: MWH Sydney POP origin: AS133188 mnt-by: MAINT-AS62982 changed: bill.j.walker [at] mwhglobal.com 20140304 #23:46:33Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 159.21.130.0/24 descr: Proxy route object registered by AS2764 origin: AS133188 remarks: This route object was created by AAPT on behalf of a customer. remarks: As some of AAPTs upstream networks filter based on IRR objects, remarks: this route object has been created to ensure that the advertisement remarks: of this prefix is not rejected. notify: routing.shared [at] aapt.com.au mnt-by: MAINT-AS2764 changed: nobody [at] aapt.com.au 20180301 source: RADB last-modified: 2023-11-13T16:16:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 159.21.131.0/24 descr: MWH Sydney POP origin: AS133188 mnt-by: MAINT-AS62982 changed: bill.j.walker [at] mwhglobal.com 20140304 #23:46:33Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 159.21.140.0/22 descr: MWH Sydney Datacentre origin: AS133188 mnt-by: MAINT-AS62982 changed: bill.j.walker [at] mwhglobal.com 20161222 #19:10:12Z source: RADB last-modified: 2023-11-13T15:50:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 159.21.140.0/24 descr: MWH Sydney Datacentre origin: AS133188 mnt-by: MAINT-AS62982 changed: bill.j.walker [at] mwhglobal.com 20161219 #21:09:31Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source