These entries are queried from radb.net using whois, you can try my project getting these.
:AS19368 route: 144.121.1.0/24 descr: Secured Network Services Inc origin: AS19368 mnt-by: MAINT-AS27506 changed: dino.barrow [at] crowncastle.com 20200513 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.21.100.0/22 descr: Secured Network Services Inc origin: AS19368 mnt-by: MAINT-AS27506 changed: dino.barrow [at] crowncastle.com 20200513 source: RADB last-modified: 2023-11-13T16:00:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.180.56.0/21 descr: SecuredNetworkServices origin: AS19368 mnt-by: MAINT-AS27506 changed: kmercer [at] lightower.com 20140801 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.180.56.0/22 descr: RR-RC-Secured Network Services, Inc-Portland origin: AS19368 notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20181017 #22:02:30Z source: RADB last-modified: 2023-11-13T16:15:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.180.60.0/22 descr: RR-RC-Secured Network Services MAIN-Northeast origin: AS19368 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200520 #04:58:15Z source: RADB last-modified: 2023-11-13T16:15:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.83.164.0/22 descr: SecuredNetworkServices origin: AS19368 mnt-by: MAINT-AS27506 changed: kmercer [at] lightower.com 20140801 source: RADB last-modified: 2023-11-13T15:46:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source