These entries are queried from radb.net using whois, you can try my project getting these.
:AS22198 route: 139.147.0.0/16 descr: TelCove BGP Customer netblock tech-c: TC1-LEVEL3 origin: AS22198 member-of: rs-19094-CUSTOMER remarks: Lafayette College mnt-by: MAINT-AS19094 changed: frank.delung [at] telcove.com 20061102 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.48.95.0/24 descr: TelCove BGP Customer netblock origin: AS22198 mnt-by: MAINT-AS19094 changed: elvin.matrille [at] level3.com 20091022 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:0:28f0::/48 descr: AS22198LVAICOrgID1-13E47 origin: AS22198 mnt-by: LAFAYETTE-MNT changed: daniel.russo [at] level3.com 20100804 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source