These entries are queried from radb.net using whois, you can try my project getting these.
:AS141192 route: 103.131.136.0/23 origin: AS141192 descr: Dhrubosoft Limited 4th Floor, House # 693, Road # 10, Avenue # 6, Mirpur DOHS- mnt-by: MAINT-DHRUBOSOFTLIMITED-BD last-modified: 2023-10-10T05:07:45Z source: APNIC rpki-ov-state: valid route: 103.131.136.0/24 origin: AS141192 descr: Dhrubosoft Limited 4th Floor, House # 693, Road # 10, Avenue # 6, Mirpur DOHS- mnt-by: MAINT-DHRUBOSOFTLIMITED-BD last-modified: 2023-06-14T14:17:50Z source: APNIC rpki-ov-state: valid route: 103.131.137.0/24 origin: AS141192 descr: Dhrubosoft Limited 4th Floor, House # 693, Road # 10, Avenue # 6, Mirpur DOHS- mnt-by: MAINT-DHRUBOSOFTLIMITED-BD last-modified: 2023-06-14T14:18:42Z source: APNIC rpki-ov-state: valid