These entries are queried from radb.net using whois, you can try my project getting these.
:AS58708 route: 103.20.236.0/22 descr: Commercial Radio Production HK origin: AS58708 country: HK mnt-lower: MAINT-CRP-HK mnt-routes: MAINT-CRP-HK mnt-by: MAINT-CRP-HK last-modified: 2014-02-05T04:31:59Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2407:b700::/32 descr: IPv6 route object for 2407:B700::/32 origin: AS58708 country: HK mnt-lower: MAINT-CRP-HK mnt-routes: MAINT-CRP-HK mnt-by: MAINT-CRP-HK last-modified: 2014-02-27T04:58:03Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source