These entries are queried from radb.net using whois, you can try my project getting these.
:AS138170 route: 103.121.218.0/23 origin: AS138170 descr: Md Omrul Islam H#21/1(Khuki Villa), R#17/C, Comfort Housing, Adabor, Dhaka mnt-by: MAINT-MICROLINCOMM-BD last-modified: 2021-11-14T06:10:54Z source: APNIC rpki-ov-state: valid route: 103.121.218.0/24 origin: AS138170 descr: Md Omrul Islam H#21/1(Khuki Villa), R#17/C, Comfort Housing, Adabor, Dhaka mnt-by: MAINT-MICROLINCOMM-BD last-modified: 2021-11-14T06:11:08Z source: APNIC rpki-ov-state: valid route: 103.121.219.0/24 origin: AS138170 descr: Md Omrul Islam H#21/1(Khuki Villa), R#17/C, Comfort Housing, Adabor, Dhaka mnt-by: MAINT-MICROLINCOMM-BD last-modified: 2021-11-14T06:11:25Z source: APNIC rpki-ov-state: valid