These entries are queried from radb.net using whois, you can try my project getting these.
:AS47015 route: 74.115.8.0/22 descr: Eau Claire, WI Sacred Heart origin: AS47015 mnt-by: MAINT-CHTR-WD changed: denny.derda [at] chartercom.com 20100428 #15:37:16Z source: RADB last-modified: 2023-11-13T16:11:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.8.0/24 descr: Sacred Heart Hospital origin: AS47015 mnt-by: MAINT-WISCNET changed: jeffb [at] doit.wisc.edu 20110413 source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.9.0/24 descr: Sacred Heart Hospital origin: AS47015 mnt-by: MAINT-WISCNET changed: jeffb [at] doit.wisc.edu 20110413 source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.10.0/24 descr: Sacred Heart Hospital origin: AS47015 mnt-by: MAINT-WISCNET changed: jeffb [at] doit.wisc.edu 20110413 source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.115.11.0/24 descr: Sacred Heart Hospital origin: AS47015 mnt-by: MAINT-WISCNET changed: jeffb [at] doit.wisc.edu 20110413 source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:0:ee0::/48 descr: Sacred Heart Hospital origin: AS47015 mnt-by: MAINT-WISCNET changed: jeffb [at] doit.wisc.edu 20110531 source: RADB last-modified: 2023-11-13T15:48:06Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source