These entries are queried from radb.net using whois, you can try my project getting these.
:AS30663 route: 67.51.108.0/22 descr: ISpeed origin: AS30663 notify: netadmin [at] spro.net mnt-by: MAINT-AS14230 changed: do-not-reply [at] merit.edu 20140312 #19:39:31Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.5.224.0/20 descr: Proxy object for ISpeed Wireless origin: AS30663 mnt-by: MAINT-AS15305 changed: bgpadmin [at] syringanetworks.net 20140910 #19:18:11Z source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.60.240.0/21 descr: Proxy object for ISpeed Wireless origin: AS30663 mnt-by: MAINT-AS15305 changed: bgpadmin [at] syringanetworks.net 20140910 #17:44:37Z source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.104.9.0/24 descr: Proxy object for ISpeed Wireless origin: AS30663 mnt-by: MAINT-AS15305 changed: bgpadmin [at] syringanetworks.net 20161007 #21:22:13Z source: RADB last-modified: 2023-11-13T15:49:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.186.26.0/24 descr: ISpeed origin: AS30663 notify: netadmin [at] spro.net mnt-by: MAINT-AS14230 changed: do-not-reply [at] merit.edu 20140312 #19:39:31Z source: RADB last-modified: 2023-11-13T15:46:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source