These entries are queried from radb.net using whois, you can try my project getting these.
:AS46853 route: 63.174.136.0/22 descr: Texas Lone Star Network origin: AS46853 mnt-by: MAINT-AS46849 changed: kpack [at] us.ntt.net 20161004 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.174.139.0/24 descr: Texas Lone Star Network origin: AS46853 mnt-by: MAINT-AS46849 changed: kpack [at] us.ntt.net 20161004 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.174.144.0/22 descr: Texas Lone Star Network origin: AS46853 mnt-by: MAINT-AS46849 changed: kpack [at] us.ntt.net 20161004 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.174.144.0/24 descr: SWTX origin: AS46853 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: 63.174.145.0/24 descr: SWTX origin: AS46853 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: 63.174.146.0/24 descr: SWTX origin: AS46853 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: 63.174.147.0/24 descr: SWTX origin: AS46853 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: 204.251.255.0/24 descr: Texas Lone Star Network origin: AS46853 mnt-by: MAINT-AS46849 changed: kpack [at] us.ntt.net 20161004 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.23.136.0/24 descr: Texas Lone Star Network origin: AS46853 mnt-by: MAINT-AS46849 changed: kpack [at] us.ntt.net 20161004 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.162.96.0/20 descr: Texas Lone Star Network origin: AS46853 mnt-by: MAINT-AS46849 changed: kpack [at] us.ntt.net 20161004 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source