These entries are queried from radb.net using whois, you can try my project getting these.
:AS32 route: 128.12.0.0/16 descr: AS32 proxy-registered route by Cogent origin: AS32 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20031230 source: RADB last-modified: 2023-11-13T15:39:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 171.64.0.0/14 descr: AS32 proxy-registered route by Cogent origin: AS32 remarks: Proxy-registered route object remarks: for Cogent customer notify: neteng [at] cogentco.com mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20031230 source: RADB last-modified: 2023-11-13T15:39:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.63.224.0/21 origin: AS32 descr: Stanford Redwood City mnt-by: MAINT-AS32 changed: lea.roberts [at] stanford.edu 20200526 #21:23:47Z source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:f6d0::/32 origin: AS32 descr: Stanford University mnt-by: MAINT-AS32 changed: lea.roberts [at] stanford.edu 20190911 #17:33:57Z source: RADB last-modified: 2023-11-13T15:57:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:6c:40c0::/48 origin: AS32 descr: Stanford Redwood City mnt-by: MAINT-AS32 changed: lea.roberts [at] stanford.edu 20200526 #21:20:54Z source: RADB last-modified: 2023-11-13T16:00:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source