These entries are queried from radb.net using whois, you can try my project getting these.
:AS53596 route: 170.137.200.0/24 origin: AS53596 descr: proxy object on behalf of customer mnt-by: MAINT-AS8220 changed: mark.borchardt [at] colt.net 20230526 #10:20:27Z source: RADB last-modified: 2023-11-13T16:17:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.137.201.0/24 origin: AS53596 descr: proxy object on behalf of customer mnt-by: MAINT-AS55900 changed: ipkanri-tt02 [at] corp.glbb.ne.jp 20230621 #11:47:27Z source: RADB last-modified: 2023-11-13T16:17:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.137.215.0/24 descr: Proxy route object registered by AS2764 origin: AS53596 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 20230118 source: RADB last-modified: 2023-11-13T16:16:47Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source