These entries are queried from radb.net using whois, you can try my project getting these.
:AS25721 route: 206.220.18.0/23 descr: Morningstar, Inc. origin: AS25721 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190331 source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.220.18.0/24 descr: PNAP-CHG origin: AS25721 mnt-by: MAINT-AS1828 changed: lsmith [at] internap.com 20161204 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.220.19.0/24 descr: PNAP-CHI morningstar-routes origin: AS25721 mnt-by: MAINT-AS1828 changed: hkhidir [at] internap.com 20140723 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.228.224.0/22 descr: Morningstar, Inc. origin: AS25721 mnt-by: MAINT-AS27506 changed: robert.hinst [at] crowncastle.com 20190331 source: RADB last-modified: 2023-11-13T15:55:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.228.224.0/23 descr: MORNINGSTAR origin: AS25721 mnt-by: MAINT-AS27506 changed: rdascoli [at] lightower.com 20180925 source: RADB last-modified: 2023-11-13T15:54:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.228.226.0/23 descr: PNAP-CHG morningstar-6 origin: AS25721 mnt-by: MAINT-AS1828 changed: mcook [at] internap.com 20140305 source: RADB last-modified: 2023-11-13T16:14:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.228.231.0/24 descr: Morningstar UK office origin: AS25721 mnt-by: MNT-MORNIN changed: domainadmin [at] morningstar.com 20100721 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.228.239.0/24 descr: MORNINGSTAR origin: AS25721 mnt-by: MAINT-AS27506 changed: nicholas.noda [at] crowncastle.com 20220215 source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source