These entries are queried from radb.net using whois, you can try my project getting these.
:AS136272 route: 116.204.140.0/22 origin: AS136272 descr: MOHAMMAD ANOWER HOSSAIN 496, East jurain rail gate, KADAMTOLI, mnt-by: MAINT-SUNONLINE-BD last-modified: 2022-02-02T10:37:51Z source: APNIC rpki-ov-state: valid route: 116.204.140.0/23 origin: AS136272 descr: MOHAMMAD ANOWER HOSSAIN 496, East jurain rail gate, KADAMTOLI, mnt-by: MAINT-SUNONLINE-BD last-modified: 2022-02-02T10:38:09Z source: APNIC rpki-ov-state: valid route: 116.204.143.0/24 origin: AS136272 descr: MOHAMMAD ANOWER HOSSAIN 496, East jurain rail gate, KADAMTOLI, mnt-by: MAINT-SUNONLINE-BD last-modified: 2022-02-02T10:39:47Z source: APNIC rpki-ov-state: valid route6: 2400:c7c0::/32 origin: AS136272 descr: MOHAMMAD ANOWER HOSSAIN 496, East jurain rail gate, KADAMTOLI, mnt-by: MAINT-SUNONLINE-BD last-modified: 2023-02-11T07:49:17Z source: APNIC rpki-ov-state: valid route6: 2400:c7c0::/34 origin: AS136272 descr: MOHAMMAD ANOWER HOSSAIN 496, East jurain rail gate, KADAMTOLI, mnt-by: MAINT-SUNONLINE-BD last-modified: 2024-04-23T10:36:45Z source: APNIC rpki-ov-state: valid route6: 2400:c7c0::/48 origin: AS136272 descr: MOHAMMAD ANOWER HOSSAIN 496, East jurain rail gate, KADAMTOLI, mnt-by: MAINT-SUNONLINE-BD last-modified: 2023-02-11T07:59:45Z source: APNIC rpki-ov-state: valid