These entries are queried from radb.net using whois, you can try my project getting these.
:AS63558 route: 103.199.228.0/23 descr: Beijing Big Data Tech Co.,Ltd. country: CN origin: AS63558 mnt-by: MAINT-CNNIC-AP last-modified: 2017-09-06T02:24:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.199.230.0/23 descr: Beijing Big Data Tech Co.,Ltd. country: CN origin: AS63558 mnt-by: MAINT-CNNIC-AP last-modified: 2017-09-06T02:24:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.161.184.0/21 descr: Beijing Big Data Tech Co.,Ltd. country: CN origin: AS63558 mnt-by: MAINT-CNNIC-AP last-modified: 2017-06-01T01:48:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.161.192.0/18 descr: Beijing Big Data Tech Co.,Ltd. country: CN origin: AS63558 mnt-by: MAINT-CNNIC-AP last-modified: 2017-06-01T01:48:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 119.161.224.0/21 descr: Beijing Big Data Tech Co.,Ltd. country: CN origin: AS63558 mnt-by: MAINT-CNNIC-AP last-modified: 2017-09-06T07:04:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.81.244.0/22 descr: Beijing Big Data Tech Co.,Ltd. country: CN origin: AS63558 mnt-by: MAINT-CNNIC-AP last-modified: 2017-06-01T01:48:01Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source