These entries are queried from radb.net using whois, you can try my project getting these.
:AS396142 route: 23.153.128.0/24 descr: Alkeron Multimedia Inc origin: AS396142 mnt-by: MAINT-AS40676 changed: n.abdul [at] psychz.net 20210510 #15:03:18Z source: RADB last-modified: 2023-11-13T16:05:32Z rpki-ov-state: valid route: 23.153.128.0/24 origin: AS396142 descr: Alkeron Inc. admin-c: ADMIN5890-ARIN tech-c: NOC32645-ARIN mnt-by: MNT-AM-1010 created: 2021-04-28T01:26:23Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route6: 2620:18:6000::/48 origin: AS396142 descr: Alkeron Inc. admin-c: ADMIN5890-ARIN tech-c: NOC32645-ARIN mnt-by: MNT-AM-1010 created: 2021-04-28T01:25:08Z last-modified: 2023-08-07T16:10:35Z source: ARIN rpki-ov-state: valid route6: 2620:18:6000::/48 descr: Alkeron Multimedia Inc origin: AS396142 mnt-by: MAINT-AS40676 changed: n.abdul [at] psychz.net 20210510 #15:04:00Z source: RADB last-modified: 2023-11-13T16:05:32Z rpki-ov-state: valid