These entries are queried from radb.net using whois, you can try my project getting these.
:AS29897 route: 64.53.79.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:32:47Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.53.79.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.121.96.0/22 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150730 source: ARIN rpki-ov-state: valid route: 74.121.96.0/22 descr: ATG Communications origin: AS29897 mnt-by: MAINT-AS29897 changed: engineering [at] catg.com 20160608 #05:08:07Z source: RADB last-modified: 2023-11-13T15:49:32Z rpki-ov-state: valid route: 74.121.96.0/23 descr: ATG Communications origin: AS29897 mnt-by: MAINT-AS29897 changed: engineering [at] catg.com 20150724 #14:36:20Z source: RADB last-modified: 2023-11-13T15:48:01Z rpki-ov-state: valid route: 74.121.99.0/24 descr: ATG Communications origin: AS29897 mnt-by: MAINT-AS29897 changed: engineering [at] catg.com 20150724 #14:36:20Z source: RADB last-modified: 2023-11-13T15:48:01Z rpki-ov-state: valid route: 162.217.255.0/24 origin: AS29897 descr: 440 South LaSalle Suite 1850 Chicago IL 60605 United States admin-c: BEA17-ARIN tech-c: BEA17-ARIN mnt-by: MNT-EDFMCM created: 2022-08-14T16:46:20Z last-modified: 2024-04-08T20:52:17Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.166.132.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:33:49Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.103.126.0/24 descr: Proxy-registered route object for National Science Center Foundation, Inc. origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:36:36Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.124.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.124.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:34:13Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.150.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:29:12Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.150.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.151.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.151.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:30:25Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.152.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.152.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:30:42Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.153.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:31:00Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.153.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.154.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:31:14Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.155.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:31:30Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.156.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.156.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:31:43Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.157.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:31:56Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.157.0/24 descr: ATG Communications origin: AS29897 mnt-by: MNT-ATGCO changed: engineering [at] catg.com 20150804 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.158.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:32:09Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.74.159.0/24 descr: ATG Communication origin: AS29897 mnt-by: MAINT-AS2711 changed: kevin.billings [at] spirittelecom.com 20100225 #20:32:25Z source: RADB last-modified: 2023-11-13T15:40:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source