These entries are queried from radb.net using whois, you can try my project getting these.
:AS62650 route: 23.227.0.0/22 descr: Switch Communications Customer Route origin: AS62650 remarks: Route for Leaf Group Ltd. remarks: 23.227.0.0/22-24 notify: netops-eng [at] switchlv.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20170209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.0.0/22 descr: Demand Media origin: AS62650 mnt-by: MAINT-AS62650 changed: networkengineering [at] demandmedia.com 20160224 #01:57:49Z source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.4.0/22 descr: Demand Media origin: AS62650 mnt-by: MAINT-AS62650 changed: networkengineering [at] demandmedia.com 20160212 #22:18:25Z source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.4.0/22 descr: Switch Communications Customer Route origin: AS62650 remarks: Route for Leaf Group Ltd. remarks: 23.227.4.0/22-24 notify: netops-eng [at] switchlv.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20170209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.8.0/22 descr: Switch Communications Customer Route origin: AS62650 remarks: Route for Demand Media remarks: 23.227.8.0/22-24 mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20131008 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.8.0/22 descr: Demand Media origin: AS62650 mnt-by: MAINT-AS62650 changed: networkengineering [at] demandmedia.com 20160212 #22:18:25Z source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.13.0/24 descr: Leaf Group OpenStack Cloud origin: AS62650 mnt-by: MAINT-AS62650 changed: emmanuel.cruz [at] leafgroup.com 20170209 #06:07:17Z source: RADB last-modified: 2023-11-13T15:50:38Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.13.0/24 descr: Switch Communications Customer Route origin: AS62650 remarks: Route for Leaf Group Ltd. remarks: 23.227.13.0/24 notify: netops-eng [at] switchlv.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20170209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.14.0/23 descr: Switch Communications Customer Route origin: AS62650 remarks: Route for Leaf Group Ltd. remarks: 23.227.14.0/23-24 notify: netops-eng [at] switchlv.com mnt-by: SWITCHCOM-MNT changed: netops-eng [at] switchlv.com 20170209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.14.0/23 descr: DM Cloud Floating IP address origin: AS62650 mnt-by: MAINT-AS62650 changed: networkengineering [at] demandmedia.com 20160302 #00:14:35Z source: RADB last-modified: 2023-11-13T15:48:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.28.0/24 descr: Demand Media origin: AS62650 mnt-by: MAINT-AS62650 changed: networkengineering [at] demandmedia.com 20160212 #22:18:25Z source: RADB last-modified: 2023-11-13T15:48:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 23.227.29.0/24 origin: AS62650 descr: Deny Designs mnt-by: MAINT-AS62650 changed: emmanuel.cruz [at] leafgroup.com 20230828 #21:08:11Z source: RADB last-modified: 2023-11-13T16:18:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source