These entries are queried from radb.net using whois, you can try my project getting these.
:AS136999 route: 103.101.196.0/22 origin: AS136999 descr: Skylink Broadband Internet mnt-by: MAINT-SKYLINK-BD last-modified: 2018-03-25T09:37:14Z source: APNIC rpki-ov-state: valid route: 103.101.196.0/24 origin: AS136999 descr: Skylink Broadband Internet mnt-by: MAINT-SKYLINK-BD last-modified: 2018-03-25T09:39:07Z source: APNIC rpki-ov-state: valid route: 103.101.198.0/24 origin: AS136999 descr: Skylink Broadband Internet mnt-by: MAINT-SKYLINK-BD last-modified: 2018-03-25T09:40:09Z source: APNIC rpki-ov-state: valid route6: 2402:a4c0::/32 origin: AS136999 descr: Skylink Broadband Internet mnt-by: MAINT-SKYLINK-BD last-modified: 2018-10-28T10:04:44Z country: BD source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source