These entries are queried from radb.net using whois, you can try my project getting these.
:AS30261 route: 128.57.244.0/22 descr: CMI IP Transit origin: AS30261 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20180503 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 128.57.244.0/22 descr: proxy registration origin: AS30261 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20151116 #22:36:44Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.207.148.0/23 descr: Treasure State Internet & Telegraph descr: 7 W 6th, Suite 614 descr: Helena, Montana 59601 descr: US origin: AS30261 mnt-by: MNT-SSC-317 changed: matt [at] tsi.io 20190320 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 205.207.148.0/23 descr: proxy registration origin: AS30261 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20150731 #04:52:57Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2602:ff7b::/36 descr: proxy registration origin: AS30261 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20150731 #04:53:38Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source