These entries are queried from radb.net using whois, you can try my project getting these.
:AS138658 route: 103.135.208.0/22 origin: AS138658 descr: Mohammad Istuck Hossain Istu 22, Kamini Bikash Saha Road, Amlapara, Narayangonj. mnt-by: MAINT-ICOMMUNICATION-BD last-modified: 2019-03-02T09:06:41Z source: APNIC rpki-ov-state: valid route: 103.135.208.0/23 origin: AS138658 descr: Mohammad Istuck Hossain Istu 22, Kamini Bikash Saha Road, Amlapara, Narayangonj. mnt-by: MAINT-ICOMMUNICATION-BD last-modified: 2019-03-02T09:05:56Z source: APNIC rpki-ov-state: valid route: 103.135.208.0/24 origin: AS138658 descr: Mohammad Istuck Hossain Istu 22, Kamini Bikash Saha Road, Amlapara, Narayangonj. mnt-by: MAINT-ICOMMUNICATION-BD last-modified: 2019-03-02T09:03:39Z source: APNIC rpki-ov-state: valid route: 103.135.209.0/24 origin: AS138658 descr: Mohammad Istuck Hossain Istu 22, Kamini Bikash Saha Road, Amlapara, Narayangonj. mnt-by: MAINT-ICOMMUNICATION-BD last-modified: 2019-03-02T09:04:26Z source: APNIC rpki-ov-state: valid route: 103.135.210.0/23 origin: AS138658 descr: Mohammad Istuck Hossain Istu 22, Kamini Bikash Saha Road, Amlapara, Narayangonj. mnt-by: MAINT-ICOMMUNICATION-BD last-modified: 2019-03-02T09:06:21Z source: APNIC rpki-ov-state: valid route: 103.135.210.0/24 origin: AS138658 descr: Mohammad Istuck Hossain Istu 22, Kamini Bikash Saha Road, Amlapara, Narayangonj. mnt-by: MAINT-ICOMMUNICATION-BD last-modified: 2019-03-02T09:04:53Z source: APNIC rpki-ov-state: valid route: 103.135.211.0/24 origin: AS138658 descr: Mohammad Istuck Hossain Istu 22, Kamini Bikash Saha Road, Amlapara, Narayangonj. mnt-by: MAINT-ICOMMUNICATION-BD last-modified: 2019-03-02T09:05:18Z source: APNIC rpki-ov-state: valid route: 103.159.5.0/24 origin: AS138658 descr: Hafez Ahmed Khan House No 79, 1st Floor, Block A, Bir Uttam Ziaur Rahman mnt-by: MAINT-NLSOLUTION-BD last-modified: 2022-05-17T10:02:02Z source: APNIC rpki-ov-state: valid