These entries are queried from radb.net using whois, you can try my project getting these.
:AS21918 route: 206.197.170.0/24 descr: TelCove BGP Customer netblock tech-c: TC1-LEVEL3 origin: AS21918 member-of: rs-19094-CUSTOMER remarks: Electronet mnt-by: MAINT-AS19094 changed: frank.delung [at] telcove.com 20070305 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.173.160.0/19 descr: TelCove BGP Customer netblock tech-c: TC1-LEVEL3 origin: AS21918 member-of: rs-19094-CUSTOMER remarks: Electronet mnt-by: MAINT-AS19094 changed: frank.delung [at] telcove.com 20070116 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.173.160.0/19 origin: AS21918 descr: Electronet admin-c: CIM5-ARIN tech-c: CIM5-ARIN tech-c: TIERI-ARIN mnt-by: MNT-CINER-3 created: 2022-07-26T20:24:07Z last-modified: 2022-11-11T15:37:11Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source