These entries are queried from radb.net using whois, you can try my project getting these.
:AS40047 route: 72.237.88.0/22 descr: TelCove BGP Customer netblock tech-c: TC1-LEVEL3 origin: AS40047 member-of: rs-19094-CUSTOMER remarks: Intermediate Unit mnt-by: MAINT-AS19094 changed: frank.delung [at] telcove.com 20060713 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source