These entries are queried from radb.net using whois, you can try my project getting these.
:AS137029 route: 103.102.136.0/22 origin: AS137029 descr: CMCL Chittagong multi channel limited , 93 , Agrabad ,Jahan building -06 Agrabad C/A, Ground Floor â Chittagong, mnt-by: MAINT-CMCL-BD last-modified: 2019-11-19T05:19:29Z source: APNIC rpki-ov-state: valid route: 103.102.136.0/24 origin: AS137029 descr: Nizam Uddin Mazud Chittagong multi channel limited , 93 , Agrabad ,Jahan building -06 Agrabad C/A, Ground Floor – Chittagong, mnt-by: MAINT-CMCL-BD last-modified: 2017-10-17T17:10:29Z source: APNIC rpki-ov-state: valid route: 103.102.137.0/24 origin: AS137029 descr: Nizam Uddin Mazud Chittagong multi channel limited , 93 , Agrabad ,Jahan building -06 Agrabad C/A, Ground Floor – Chittagong, mnt-by: MAINT-CMCL-BD last-modified: 2017-10-17T17:11:14Z source: APNIC rpki-ov-state: valid route: 103.102.138.0/24 origin: AS137029 descr: Nizam Uddin Mazud Chittagong multi channel limited , 93 , Agrabad ,Jahan building -06 Agrabad C/A, Ground Floor – Chittagong, mnt-by: MAINT-CMCL-BD last-modified: 2017-10-17T17:11:46Z source: APNIC rpki-ov-state: valid route: 103.102.139.0/24 origin: AS137029 descr: Nizam Uddin Mazud Chittagong multi channel limited , 93 , Agrabad ,Jahan building -06 Agrabad C/A, Ground Floor – Chittagong, mnt-by: MAINT-CMCL-BD last-modified: 2017-10-17T17:12:26Z source: APNIC rpki-ov-state: valid route: 114.130.72.0/24 descr: Chittagong multi channel limited country: BD origin: AS137029 mnt-by: MAINT-MANGOTELESERVICE-BD last-modified: 2020-12-07T18:32:06Z source: APNIC rpki-ov-state: valid