These entries are queried from radb.net using whois, you can try my project getting these.
:AS138534 route: 103.132.88.0/22 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:23:30Z country: BD source: APNIC rpki-ov-state: valid route: 103.132.88.0/23 origin: AS138534 descr: Matrix BD mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:24:17Z country: BD source: APNIC rpki-ov-state: valid route: 103.132.88.0/24 origin: AS138534 descr: Matrix BD mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:24:45Z country: BD source: APNIC rpki-ov-state: valid route: 103.132.89.0/24 origin: AS138534 descr: Matrix BD mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:25:09Z country: BD source: APNIC rpki-ov-state: valid route: 103.132.90.0/23 origin: AS138534 descr: Matrix BD mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:25:33Z country: BD source: APNIC rpki-ov-state: valid route: 103.132.90.0/24 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:25:55Z country: BD source: APNIC rpki-ov-state: valid route: 103.132.91.0/24 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:26:19Z country: BD source: APNIC rpki-ov-state: valid route6: 2404:3440::/32 descr: Matrixbd origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-06T10:17:04Z source: APNIC rpki-ov-state: valid route6: 2404:3440::/36 descr: Matrixbd origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-06T10:15:55Z source: APNIC rpki-ov-state: valid route6: 2404:3440:1000::/36 origin: AS138534 descr: Matrix BD mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:26:38Z country: BD source: APNIC rpki-ov-state: valid route6: 2404:3440:2000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:27:00Z country: BD source: APNIC rpki-ov-state: valid route6: 2404:3440:3000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-13T09:27:17Z country: BD source: APNIC rpki-ov-state: valid route6: 2404:3440:4000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:16:23Z source: APNIC rpki-ov-state: valid route6: 2404:3440:5000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:16:30Z source: APNIC rpki-ov-state: valid route6: 2404:3440:6000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:16:35Z source: APNIC rpki-ov-state: valid route6: 2404:3440:7000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:16:41Z source: APNIC rpki-ov-state: valid route6: 2404:3440:8000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:16:46Z source: APNIC rpki-ov-state: valid route6: 2404:3440:9000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:16:56Z source: APNIC rpki-ov-state: valid route6: 2404:3440:a000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:17:03Z source: APNIC rpki-ov-state: valid route6: 2404:3440:b000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:17:09Z source: APNIC rpki-ov-state: valid route6: 2404:3440:c000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:17:14Z source: APNIC rpki-ov-state: valid route6: 2404:3440:d000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:17:21Z source: APNIC rpki-ov-state: valid route6: 2404:3440:e000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:17:26Z source: APNIC rpki-ov-state: valid route6: 2404:3440:f000::/36 descr: Matrix BD origin: AS138534 mnt-by: MAINT-MATRIXBD-BD last-modified: 2019-01-07T05:17:31Z source: APNIC rpki-ov-state: valid