These entries are queried from radb.net using whois, you can try my project getting these.
:AS53646 route: 69.7.86.0/24 descr: Harris BB origin: AS53646 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20210209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.7.88.0/22 descr: Harris BB origin: AS53646 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20210209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.84.26.0/23 descr: Harris BB origin: AS53646 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20210209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 141.193.132.0/22 descr: update route Harrs origin: AS53646 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200518 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.153.117.0/24 origin: AS53646 descr: Route added by Grande Communications on behalf of Harris Broadband. mnt-by: MAINT-AS7459 changed: ipneteng [at] mygrande.com 20230111 #16:50:58Z source: RADB last-modified: 2023-11-13T16:13:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.196.160.0/24 descr: Howard Payne Univ origin: AS53646 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20200517 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.55.122.0/23 descr: Harris BB origin: AS53646 mnt-by: TLSN-MNT changed: jrobinson2524 [at] gmail.com 20210209 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source