These entries are queried from radb.net using whois, you can try my project getting these.
:AS400419 route: 198.7.227.0/24 descr: Care New England Health System origin: AS400419 mnt-by: MAINT-AS27506 changed: dino.barrow [at] crowncastle.com 20220215 source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: valid route: 198.7.251.0/24 descr: Care New England Health System origin: AS400419 mnt-by: MAINT-AS27506 changed: dino.barrow [at] crowncastle.com 20220215 source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: valid