These entries are queried from radb.net using whois, you can try my project getting these.
:AS22629 route: 199.3.108.0/23 descr: CHTR-NORTHWESTERN ENERGY-Northwest origin: AS22629 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com source: RADB last-modified: 2024-01-16T17:39:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.3.108.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:23:38Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.16.0/21 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:33:41Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.16.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:26:15Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.17.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:26:24Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.18.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:26:33Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.19.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:26:40Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.20.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:26:44Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.21.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:30:23Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.22.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:30:16Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.23.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:30:08Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.24.0/22 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:33:24Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.24.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:30:03Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.25.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:29:57Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.26.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:29:49Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.96.27.0/24 origin: AS22629 descr: SDN Communications on behalf of Northwestern Energy Corp mnt-by: MAINT-AS13576 changed: gary.glissendorf [at] sdncommunications.com 20231031 #21:29:40Z source: RADB last-modified: 2023-11-13T16:19:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.107.235.0/24 descr: CHTR-NORTHWESTERN ENERGY-Northwest origin: AS22629 admin-c: IPADD1-ARIN tech-c: IPADD1-ARIN notify: PublicIPAdressing [at] charter.com mnt-by: MAINT-CHTR-WD changed: PublicIPAdressing [at] charter.com source: RADB last-modified: 2024-01-16T17:39:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source