These entries are queried from radb.net using whois, you can try my project getting these.
:AS137403 route: 103.107.160.0/22 descr: SaltSync Internet origin: AS137403 mnt-by: MAINT-SALTSYNC-BD last-modified: 2024-03-30T20:02:54Z source: APNIC rpki-ov-state: valid route: 103.107.160.0/23 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:07:38Z source: APNIC rpki-ov-state: valid route: 103.107.160.0/24 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:08:12Z source: APNIC rpki-ov-state: valid route: 103.107.161.0/24 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:08:26Z source: APNIC rpki-ov-state: valid route: 103.107.162.0/24 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:08:37Z source: APNIC rpki-ov-state: valid route: 103.107.163.0/24 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:08:45Z source: APNIC rpki-ov-state: valid route: 103.178.242.0/24 origin: AS137403 descr: Nazmun Nahar Holding-842, Middle Katia mnt-by: MAINT-TIGERONLINE-BD last-modified: 2022-01-01T07:48:45Z source: APNIC rpki-ov-state: valid route6: 2402:5840::/32 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:11:59Z source: APNIC rpki-ov-state: valid route6: 2402:5840::/48 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:12:30Z source: APNIC rpki-ov-state: valid route6: 2402:5840::/64 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:12:11Z source: APNIC rpki-ov-state: valid route6: 2402:5840:0:1::/64 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:09:37Z source: APNIC rpki-ov-state: valid route6: 2402:5840:0:2::/64 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:10:11Z source: APNIC rpki-ov-state: valid route6: 2402:5840:1::/48 origin: AS137403 descr: MAWDUD AHMED 349/1,Khanjahan Ali Road,Khulna mnt-by: MAINT-SALTSYNC-BD last-modified: 2019-11-17T02:39:32Z source: APNIC rpki-ov-state: valid route6: 2402:5840:2::/48 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:10:27Z source: APNIC rpki-ov-state: valid route6: 2402:5840:3::/48 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:11:01Z source: APNIC rpki-ov-state: valid route6: 2402:5840:4::/48 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:11:22Z source: APNIC rpki-ov-state: valid route6: 2402:5840:5::/48 origin: AS137403 descr: SaltSync 7 K.D.A Avenue,Munna Tower,Khulna-9100 mnt-by: MAINT-SALTSYNC-BD last-modified: 2021-05-11T20:11:33Z source: APNIC rpki-ov-state: valid route6: 2402:5840:6::/48 origin: AS137403 descr: SaltSync mnt-by: MAINT-SALTSYNC-BD last-modified: 2023-06-17T18:36:09Z source: APNIC rpki-ov-state: valid route6: 2402:5840:7::/48 origin: AS137403 descr: SaltSync mnt-by: MAINT-SALTSYNC-BD last-modified: 2023-06-17T18:35:51Z source: APNIC rpki-ov-state: valid route6: 2402:5840:8::/48 origin: AS137403 descr: SaltSync mnt-by: MAINT-SALTSYNC-BD last-modified: 2023-06-17T18:35:21Z source: APNIC rpki-ov-state: valid route6: 2402:5840:9::/48 origin: AS137403 descr: SaltSync mnt-by: MAINT-SALTSYNC-BD last-modified: 2023-06-17T18:34:16Z source: APNIC rpki-ov-state: valid route6: 2402:5840:a::/48 origin: AS137403 descr: SaltSync 7 K.D.A Avenue(4th Floor),Munna tower mnt-by: MAINT-SALTSYNC-BD last-modified: 2023-06-17T18:36:44Z source: APNIC rpki-ov-state: valid route6: 2402:5840:100::/48 origin: AS137403 descr: SaltSync 7 K.D.A Avenue(4th Floor),Munna tower mnt-by: MAINT-SALTSYNC-BD last-modified: 2023-06-17T18:37:03Z source: APNIC rpki-ov-state: valid route6: 2402:5840:5840::/48 origin: AS137403 descr: MAWDUD AHMED 7 K.D.A Avenue(4th Floor),Munna tower mnt-by: MAINT-SALTSYNC-BD last-modified: 2024-04-20T18:34:55Z source: APNIC rpki-ov-state: valid