These entries are queried from radb.net using whois, you can try my project getting these.
:AS25808 route: 38.242.8.0/22 descr: Town of Concord/Concord Municipal Light Plant origin: AS25808 mnt-by: MAINT-AS27506 changed: dmccoon [at] lightower.com 20170928 source: RADB last-modified: 2023-11-13T15:51:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 172.110.60.0/22 descr: Town of Concord origin: AS25808 mnt-by: MAINT-AS27506 changed: yikehara [at] lightower.com 20150723 source: RADB last-modified: 2023-11-13T15:48:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.125.68.0/24 descr: Town of Concord origin: AS25808 mnt-by: MAINT-AS27506 changed: probillard [at] lightower.com 20140919 source: RADB last-modified: 2023-11-13T15:46:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source