These entries are queried from radb.net using whois, you can try my project getting these.
:AS13547 route: 64.30.34.0/24 descr: TelCove BGP Customer netblock tech-c: TC1-LEVEL3 origin: AS13547 member-of: rs-19094-CUSTOMER remarks: Porter Hospital mnt-by: MAINT-AS19094 changed: mike.fletcher [at] telcove.com 20040701 changed: frank.delung [at] telcove.com 20070614 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.30.34.0/24 descr: RR-RC-Porter Hospital-Northeast origin: AS13547 admin-c: IPADDREG tech-c: IPADDREG notify: publicipaddressing [at] charter.com mnt-by: MAINT-RR changed: publicipaddressing [at] charter.com 20200608 #06:04:28Z source: RADB last-modified: 2023-11-13T16:15:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.211.58.0/24 descr: TelCove BGP Customer netblock tech-c: TC1-LEVEL3 origin: AS13547 member-of: rs-19094-CUSTOMER remarks: Porter Hospital Inc. mnt-by: MAINT-AS19094 changed: Neener.david [at] level3.com 20070810 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source