These entries are queried from radb.net using whois, you can try my project getting these.
:AS15333 route: 70.42.148.0/24 descr: PNAP-WDC002 mpay-1 origin: AS15333 mnt-by: MAINT-AS1828 changed: colsheski [at] internap.com 20070801 source: RADB last-modified: 2023-11-13T16:14:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.115.89.0/24 descr: LLNW customer route origin: AS15333 mnt-by: MAINT-LLNW changed: mjohnson [at] llnw.com 20110517 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.115.89.0/24 descr: Switch Communications Customer Route origin: AS15333 member-of: RS-AS23005,RS-AS22911 remarks: Switch owned subnet mnt-by: MAINT-SWITCH changed: netops [at] switch.com 20180404 #17:19:58Z source: RADB last-modified: 2023-11-13T15:53:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source