These entries are queried from radb.net using whois, you can try my project getting these.
:AS33268 route: 63.251.255.0/24 descr: PNAP-SFJ pgpcorp origin: AS33268 mnt-by: MAINT-AS1828 changed: cwoodfield [at] internap.com 20041109 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.236.113.0/24 descr: PNAP-SFJ pgpcorp origin: AS33268 mnt-by: MAINT-AS1828 changed: cwoodfield [at] internap.com 20041109 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.188.148.0/22 origin: AS33268 descr: proxy object as33268 changed: aig [at] subrigo.com 20181207 #01:40:59Z source: RADB mnt-by: MAINT-AS19257 last-modified: 2023-11-13T15:55:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.71.180.0/22 origin: AS33268 descr: proxy object as33268 changed: aig [at] subrigo.com 20181207 #01:39:04Z source: RADB mnt-by: MAINT-AS19257 last-modified: 2023-11-13T15:55:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.72.224.0/22 origin: AS33268 descr: proxy object as33268 changed: aig [at] subrigo.com 20181207 #01:40:03Z source: RADB mnt-by: MAINT-AS19257 last-modified: 2023-11-13T15:55:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source