These entries are queried from radb.net using whois, you can try my project getting these.
:AS397936 route: 45.45.137.0/24 origin: AS397936 descr: Proxy object for DC Computers remarks: Proxy object mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20220927 #16:33:01Z source: RADB last-modified: 2023-11-13T16:12:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 50.205.73.0/24 origin: AS397936 descr: Proxy Object remarks: Proxy Object for DC Computers mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20201124 #21:27:47Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: valid route: 50.220.51.0/24 origin: AS397936 descr: Proxy Object remarks: Proxy object for DC Computers mnt-by: MAINT-AS40948 changed: brussell [at] stratusnet.com 20201124 #21:27:06Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: valid route: 50.224.33.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS397936 remarks: Proxy add for EDIA customer DC Computers mnt-by: MAINT-AS7922 changed: rhyan_delapena [at] cable.comcast.com 20201123 source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: valid