These entries are queried from radb.net using whois, you can try my project getting these.
:AS139826 route: 103.146.36.0/23 origin: AS139826 descr: Md Bellel Hossain 383, Rhine Razzak Plaza, Shop # 27 Boro Maghbazar descr: MAA TELECOM B ONLINE mnt-by: MAINT-MAA-BD last-modified: 2020-07-01T04:11:21Z source: APNIC rpki-ov-state: valid route: 103.146.36.0/24 origin: AS139826 descr: Md Bellel Hossain 383, Rhine Razzak Plaza, Shop # 27 Boro Maghbazar descr: MAA TELECOM B ONLINE mnt-by: MAINT-MAA-BD last-modified: 2019-12-09T04:06:50Z source: APNIC rpki-ov-state: valid route: 103.146.37.0/24 origin: AS139826 descr: Md Bellel Hossain 383, Rhine Razzak Plaza, Shop # 27 Boro Maghbazar descr: MAA TELECOM B ONLINE mnt-by: MAINT-MAA-BD last-modified: 2019-12-09T04:07:09Z source: APNIC rpki-ov-state: valid route6: 2001:df2:4280::/48 origin: AS139826 descr: Md Bellel Hossain 383, Rhine Razzak Plaza, Shop # 27 Boro Maghbazar descr: MAA TELECOM B ONLINE mnt-by: MAINT-MAA-BD last-modified: 2020-07-01T04:09:54Z source: APNIC rpki-ov-state: valid