These entries are queried from radb.net using whois, you can try my project getting these.
:AS139052 route: 103.139.18.0/23 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2019-09-08T16:54:25Z source: APNIC rpki-ov-state: valid route: 103.139.18.0/24 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2019-12-02T17:06:13Z source: APNIC rpki-ov-state: valid route: 103.139.19.0/24 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2019-12-02T17:06:14Z source: APNIC rpki-ov-state: valid route6: 2400:cd60::/32 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-22T05:41:08Z source: APNIC rpki-ov-state: valid route6: 2400:cd60::/33 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:10Z source: APNIC rpki-ov-state: valid route6: 2400:cd60::/34 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:11Z source: APNIC rpki-ov-state: valid route6: 2400:cd60::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:13Z source: APNIC rpki-ov-state: valid route6: 2400:cd60::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:14Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:1000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:15Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:2000::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:17Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:2000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:18Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:3000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:20Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:4000::/34 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:21Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:4000::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:23Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:4000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:24Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:5000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:26Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:6000::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:27Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:6000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:28Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:7000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:30Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:8000::/33 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:31Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:8000::/34 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:33Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:8000::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:34Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:8000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:36Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:9000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:37Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:a000::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:39Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:a000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:40Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:b000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:41Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:c000::/34 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:43Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:c000::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:44Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:c000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:46Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:d000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:47Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:e000::/35 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:49Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:e000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:50Z source: APNIC rpki-ov-state: valid route6: 2400:cd60:f000::/36 origin: AS139052 descr: Md. Mizanur Rahman Mintu Charabag Madrasha Road, Ashulia. mnt-by: MAINT-POWERNET-BD last-modified: 2022-12-30T13:02:51Z source: APNIC rpki-ov-state: valid