These entries are queried from radb.net using whois, you can try my project getting these.
:AS399150 route: 52.128.192.0/22 origin: AS399150 descr: ISPEXCHANGECORP admin-c: BARTO235-ARIN tech-c: BARTO235-ARIN mnt-by: MNT-HOSTZ-1 created: 2021-09-24T19:49:13Z last-modified: 2021-09-24T19:49:13Z source: ARIN rpki-ov-state: valid route: 52.128.196.0/22 origin: AS399150 descr: ISPEXCHANGECORP admin-c: BARTO235-ARIN tech-c: BARTO235-ARIN mnt-by: MNT-HOSTZ-1 created: 2021-09-24T19:50:28Z last-modified: 2021-09-24T19:50:28Z source: ARIN rpki-ov-state: valid route: 52.128.200.0/22 origin: AS399150 descr: ISPEXCHANGECORP admin-c: BARTO235-ARIN tech-c: BARTO235-ARIN mnt-by: MNT-HOSTZ-1 created: 2021-09-24T19:50:49Z last-modified: 2021-09-24T19:50:49Z source: ARIN rpki-ov-state: valid route: 52.128.208.0/22 origin: AS399150 descr: ISPEXCHANGECORP admin-c: BARTO235-ARIN tech-c: BARTO235-ARIN mnt-by: MNT-HOSTZ-1 created: 2021-09-24T19:51:35Z last-modified: 2021-09-24T19:51:35Z source: ARIN rpki-ov-state: valid route: 52.128.212.0/22 origin: AS399150 descr: ISPEXCHANGECORP admin-c: BARTO235-ARIN tech-c: BARTO235-ARIN mnt-by: MNT-HOSTZ-1 created: 2021-09-24T19:51:55Z last-modified: 2021-09-24T19:51:55Z source: ARIN rpki-ov-state: valid route: 52.128.216.0/22 origin: AS399150 descr: ISPEXCHANGECORP admin-c: BARTO235-ARIN tech-c: BARTO235-ARIN mnt-by: MNT-HOSTZ-1 created: 2021-09-24T19:52:09Z last-modified: 2021-09-24T19:52:09Z source: ARIN rpki-ov-state: valid route: 52.128.220.0/22 origin: AS399150 descr: ISPEXCHANGECORP admin-c: BARTO235-ARIN tech-c: BARTO235-ARIN mnt-by: MNT-HOSTZ-1 created: 2021-09-24T19:52:50Z last-modified: 2021-09-24T19:52:50Z source: ARIN rpki-ov-state: valid route: 95.164.224.0/22 descr: ispexchangecorp origin: AS399150 mnt-by: MEREZHA-MNT created: 2021-09-23T22:23:38Z last-modified: 2021-09-23T22:23:38Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid