These entries are queried from radb.net using whois, you can try my project getting these.
:AS133615 route: 103.239.51.0/24 descr: Over the Wire origin: AS133615 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20141008 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df1:8c00::/48 descr: Over the Wire origin: AS133615 notify: noc [at] overthewire.com.au mnt-by: MAINT-OTWN1 changed: noc [at] overthewire.com.au 20150218 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source