These entries are queried from radb.net using whois, you can try my project getting these.
:AS6423 route: 66.43.0.0/20 descr: Atmosera - AS6423 ph 503.222.2202 fax 503.646.1400 origin: AS6423 mnt-by: MAINT-AS2044 changed: noc [at] iinet.com 20150609 #17:34:35Z source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.30.0.0/18 origin: AS6423 descr: Chirisa DF LLC dba Digital Fortress - AS6423 mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20230724 #20:36:12Z source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.30.80.0/22 origin: AS6423 descr: Atmosera - AS6423 Ph 503.222.2202 mnt-by: MAINT-AS2044 changed: noc [at] iinet.com 20210308 #17:18:54Z source: RADB last-modified: 2023-11-13T16:05:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.30.88.0/24 origin: AS6423 descr: Chirisa DF LLC dba Digital Fortress - AS6423 mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20230724 #20:37:35Z source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.30.90.0/24 origin: AS6423 descr: Chirisa DF LLC dba Digital Fortress - AS6423 mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20230724 #20:38:26Z source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.30.94.0/23 origin: AS6423 descr: Chirisa DF LLC dba Digital Fortress - AS6423 mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20230724 #20:39:24Z source: RADB last-modified: 2023-11-13T16:17:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.30.96.0/19 origin: AS6423 descr: Atmosera - AS6423 Ph 503.222.2202 mnt-by: MAINT-AS2044 changed: noc [at] iinet.com 20210308 #17:21:33Z source: RADB last-modified: 2023-11-13T16:05:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.120.152.0/22 descr: EASYSTREET ROUTE OBJECT origin: AS6423 mnt-by: MAINT-AS6423 changed: matt.evens [at] level3.com 20100112 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.242.18.0/23 descr: Atmosera - AS6423 ph 503.222.2202 fax 503.646.1400 origin: AS6423 mnt-by: MAINT-AS2044 changed: noc [at] iinet.com 20150609 #17:37:48Z source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.242.24.0/24 descr: Atmosera - AS6423 ph 503.222.2202 fax 503.646.1400 origin: AS6423 mnt-by: MAINT-AS2044 changed: noc [at] iinet.com 20150609 #17:37:48Z source: RADB last-modified: 2023-11-13T15:47:42Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.145.29.0/24 origin: AS6423 descr: The Linux Foundation mnt-by: MAINT-AS2044 changed: netops [at] dfcolo.com 20211208 #17:56:20Z source: RADB last-modified: 2023-11-13T16:09:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.162.192.0/19 origin: AS6423 descr: Digital Fortress - AS6423 mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20220218 #20:50:59Z source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.162.223.0/24 origin: AS6423 descr: Digital Fortress phone: (206) 395-7163 email: support [at] dfcolo.com mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20220421 #16:33:31Z source: RADB last-modified: 2023-11-13T16:10:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:19d0:100::/40 origin: AS6423 descr: Digital Fortress - AS6423 phone: (206) 395-7163 email: support [at] dfcolo.com notify: netops [at] dfcolo.com mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20220420 #21:42:34Z source: RADB last-modified: 2023-11-13T16:10:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:19d0:200::/40 origin: AS6423 descr: Digital Fortress - AS6423 phone: (206) 395-7163 email: support [at] dfcolo.com notify: netops [at] dfcolo.com mnt-by: MAINT-AS2044 changed: cody.freiburger [at] dfcolo.com 20220420 #21:44:11Z source: RADB last-modified: 2023-11-13T16:10:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:19d0:305::/48 origin: AS6423 descr: The Linux Foundation mnt-by: MAINT-AS2044 changed: netops [at] dfcolo.com 20211208 #17:54:35Z source: RADB last-modified: 2023-11-13T16:09:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source