These entries are queried from radb.net using whois, you can try my project getting these.
:AS138697 route: 103.136.62.0/23 origin: AS138697 descr: Md Shopon 56, Midford Road, Haji Yousuf Mansion, Babu Bazar, Kotwali. mnt-by: MAINT-ANAC-BD last-modified: 2019-11-23T12:29:23Z source: APNIC rpki-ov-state: valid route: 103.136.62.0/24 origin: AS138697 descr: Md Shopon 56, Midford Road, Haji Yousuf Mansion, Babu Bazar, Kotwali. mnt-by: MAINT-ANAC-BD last-modified: 2019-03-13T05:39:23Z source: APNIC rpki-ov-state: valid route: 103.136.63.0/24 origin: AS138697 descr: Md Shopon 56, Midford Road, Haji Yousuf Mansion, Babu Bazar, Kotwali. mnt-by: MAINT-ANAC-BD last-modified: 2019-11-23T12:26:37Z source: APNIC rpki-ov-state: valid route6: 2404:9c40::/32 origin: AS138697 descr: Md Shopon 56, Midford Road, Haji Yousuf Mansion, Babu Bazar, Kotwali. mnt-by: MAINT-ANAC-BD last-modified: 2019-11-23T12:30:25Z source: APNIC rpki-ov-state: valid