These entries are queried from radb.net using whois, you can try my project getting these.
:AS63448 route: 65.17.176.0/20 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:25:42Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.17.176.0/20 origin: AS63448 descr: Proxy reg for Holston Electric by Iris Networks mnt-by: MAINT-AS11758 changed: bmihalek [at] iristransport.com 20190710 #18:23:12Z source: RADB last-modified: 2023-11-13T15:56:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.17.184.0/23 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:45:51Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.17.186.0/23 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:46:25Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.17.188.0/23 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:47:00Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.17.190.0/24 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:47:32Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.17.191.0/24 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:47:55Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.232.48.0/21 descr: Proxy Registration for Holston Elec. origin: AS63448 mnt-by: MAINT-AS11758 changed: bmihalek [at] iristransport.com 20180807 #12:37:48Z source: RADB last-modified: 2023-11-13T15:54:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.232.48.0/21 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:24:38Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.55.128.0/20 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:26:30Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.55.128.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:37:36Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.55.132.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:38:18Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.55.136.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:38:58Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.55.140.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:42:09Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.0.192.0/20 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:28:26Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.0.192.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:43:30Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.0.196.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:44:05Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.0.200.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:44:33Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.0.204.0/22 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:44:59Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.52.219.0/24 origin: AS63448 descr: Proxy Registration for Holston Electric mnt-by: MAINT-AS11758 changed: echampion [at] irisnetworksusa.com 20220413 #21:47:10Z source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.56.224.0/21 origin: AS63448 descr: HOLSTON ELECTRIC COOPERATIVE 1200 W MAIN ST ROGERSVILLE TN 37857 United States admin-c: NETWO8607-ARIN tech-c: BTH100-ARIN tech-c: JEFFE116-ARIN tech-c: NETWO8607-ARIN mnt-by: MNT-HEC-88 created: 2022-04-03T12:29:06Z last-modified: 2022-04-05T15:17:24Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.56.224.0/21 origin: AS63448 descr: Proxy for Holston Electric mnt-by: MAINT-AS11758 changed: echampion [at] irisnetworksusa.com 20220721 #18:36:59Z source: RADB last-modified: 2023-11-13T16:11:48Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.46.8.0/21 origin: AS63448 descr: Proxy add for Holston mnt-by: MAINT-AS11758 changed: cradeck [at] irisnetworksusa.com 20230420 #17:18:19Z source: RADB last-modified: 2023-11-13T16:16:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source