These entries are queried from radb.net using whois, you can try my project getting these.
:AS20442 route: 64.252.240.0/21 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.240.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #19:18:28(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.241.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:16:20(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.242.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:17:16(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.243.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:18:17(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.244.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:24:26(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.245.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:25:28(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.246.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:26:22(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.252.247.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:27:12(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.202.181.0/24 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.112.0/21 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.112.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:36:44Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.113.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:38:47Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.114.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:39:48Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.115.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:40:42Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.116.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:41:39Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.117.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:42:29Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.118.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:43:31Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.119.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20100128 #16:44:35Z source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 75.5.201.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #19:25:47(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.131.129.0/24 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.152.148.0/23 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.152.148.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 06511 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070911 #18:15:54(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.152.149.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070911 #18:18:56(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.152.150.0/24 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.50.0/23 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.50.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #19:19:36(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.51.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #19:24:56(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.184.0/22 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.184.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:28:06(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.185.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:29:11(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.186.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:30:09(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.60.187.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:31:01(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.90.81.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070911 #18:20:37(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.167.18.0/23 descr: Yale New Haven Health Systems origin: AS20442 mnt-by: MAINT-AS27506 changed: rhinst [at] lightower.com 20160902 #18:57:08Z source: RADB last-modified: 2023-11-13T15:49:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.167.18.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070911 #18:22:11(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.167.19.0/24 descr: Yale-New Haven Health Services Yale-New Haven Hospital 789 Howard Avenue New Haven, CT 065111 origin: AS20442 mnt-by: MAINT-AS20442 changed: Raj.Bellare [at] ynhh.org 20070913 #15:14:25(UTC) source: RADB last-modified: 2023-11-13T16:11:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source