These entries are queried from radb.net using whois, you can try my project getting these.
:AS138960 route: 103.137.196.0/23 origin: AS138960 descr: Social Islami Bank Limited City Center (Level # 19), 90/1 Motijheel C/A mnt-by: MAINT-SOCIAL-BD last-modified: 2019-04-09T05:55:09Z source: APNIC rpki-ov-state: valid route: 103.137.197.0/24 origin: AS138960 descr: Social Islami Bank Limited City Center (Level # 19), 90/1 Motijheel C/A mnt-by: MAINT-SOCIAL-BD last-modified: 2019-04-09T05:57:01Z source: APNIC rpki-ov-state: valid