These entries are queried from radb.net using whois, you can try my project getting these.
:AS53676 route: 199.59.136.0/22 descr: Customer Route Object for Emerald origin: AS53676 mnt-by: MAINT-ADN-WEST changed: routing [at] adnc.com 20101129 #20:06:15Z source: RADB last-modified: 2023-11-13T15:41:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.59.136.0/23 descr: Customer Route Object for Emerald origin: AS53676 mnt-by: MAINT-ADN-WEST changed: routing [at] adnc.com 20101213 #20:21:16Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.59.138.0/23 descr: Customer Route Object for Emerald origin: AS53676 mnt-by: MAINT-ADN-WEST changed: routing [at] americanis.net 20150326 #20:13:06Z source: RADB last-modified: 2023-11-13T15:47:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source