These entries are queried from radb.net using whois, you can try my project getting these.
:AS53568 route: 64.129.112.0/23 descr: For downstream customer Datacenter.biz origin: AS53568 mnt-by: MAINT-AS26554 changed: noc [at] ussignalcom.com 20111120 #16:12:39Z source: RADB last-modified: 2023-11-13T15:41:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.70.252.0/24 descr: Franklin University 201 S Grant Ave Columbus OH 43215 origin: AS53568 mnt-by: MAINT-AS53568 changed: burton.bardus [at] franklin.edu 20120523 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.30.208.0/22 descr: Franklin University 201 S Grant Ave Columbus OH 43215 origin: AS53568 mnt-by: MAINT-AS53568 changed: burton.bardus [at] franklin.edu 20120523 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.30.208.0/23 descr: Franklin University 201 S Grant Ave Columbus OH 43215 origin: AS53568 mnt-by: MAINT-AS53568 changed: burton.bardus [at] franklin.edu 20120523 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.30.210.0/23 descr: Franklin University 201 S Grant Ave Columbus OH 43215 origin: AS53568 mnt-by: MAINT-AS53568 changed: burton.bardus [at] franklin.edu 20120523 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source