These entries are queried from radb.net using whois, you can try my project getting these.
:AS54489 route: 38.121.53.0/24 descr: Proxy for Customer origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20131101 #01:54:14Z source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 44.110.0.0/24 descr: Customer Routed Range origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20140701 #20:21:19Z source: RADB last-modified: 2023-11-13T15:46:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.182.0.0/16 descr: Corespace assigned IP space origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20131101 #20:48:39Z source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.182.114.0/24 descr: Corespace origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20140130 #13:55:16Z source: RADB last-modified: 2023-11-13T15:45:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.182.115.0/24 descr: Corespace origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20140130 #13:56:11Z source: RADB last-modified: 2023-11-13T15:45:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.182.230.0/24 descr: Corespace origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20140130 #13:56:51Z source: RADB last-modified: 2023-11-13T15:45:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.13.0.0/16 descr: Corespace assigned IP space origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20131101 #20:47:54Z source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.13.220.0/24 descr: more specific origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20140430 #02:10:47Z source: RADB last-modified: 2023-11-13T15:46:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.208.16.0/22 descr: Customer Owned Advertisement - Have LOA origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20150511 #20:19:40Z source: RADB last-modified: 2023-11-13T15:47:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.73.50.0/24 descr: Customer origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20131209 #03:03:27Z source: RADB last-modified: 2023-11-13T15:45:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.73.51.0/24 origin: AS54489 descr: Customer mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20190114 #02:08:18Z source: RADB last-modified: 2023-11-13T15:55:24Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.232.139.0/24 descr: Proxy for Customer origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20131101 #20:55:22Z source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.225.192.0/20 descr: Proxy for Customer origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20131101 #01:55:04Z source: RADB last-modified: 2023-11-13T15:45:50Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:7780::/32 descr: V6 Advertisement origin: AS54489 mnt-by: MAINT-AS1625 changed: ngiancola [at] corespace.com 20140430 #02:28:01Z source: RADB last-modified: 2023-11-13T15:46:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source