These entries are queried from radb.net using whois, you can try my project getting these.
:AS38626 route: 202.50.144.0/21 descr: Global-Gateway Customers Int-both Dom-both Int-only and Combined origin: AS38626 mnt-by: MAINT-AS4648 changed: andrew.murray [at] tnzi.com 20090419 source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.50.144.0/23 descr: Proxy Reg for Crown Research Institute origin: AS38626 mnt-by: MAINT-AS4648 changed: AS4648 [at] netgate.net.nz 20110411 #03:13:14Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.50.146.0/24 descr: On behalf of REANNZ Member origin: AS38626 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20210825 source: RADB last-modified: 2023-11-13T16:08:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.50.148.0/23 descr: On behalf of REANNZ Member origin: AS38626 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20141112 source: RADB last-modified: 2023-11-13T15:46:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.50.150.0/24 descr: On behalf of REANNZ Member origin: AS38626 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20141112 source: RADB last-modified: 2023-11-13T15:46:46Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df7:3000::/47 descr: On behalf of REANNZ Member origin: AS38626 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140707 source: RADB last-modified: 2023-11-13T15:46:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df7:3000::/48 descr: On behalf of REANNZ Member origin: AS38626 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140516 source: RADB last-modified: 2023-11-13T15:46:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df7:3001::/48 descr: On behalf of REANNZ Member origin: AS38626 mnt-by: MAINT-AS38022 changed: noc [at] reannz.co.nz 20140516 source: RADB last-modified: 2023-11-13T15:46:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source