These entries are queried from radb.net using whois, you can try my project getting these.
:AS9832 route: 103.9.132.0/22 descr: ISN_Limited origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T08:07:06Z source: APNIC rpki-ov-state: valid route: 103.9.132.0/23 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-13T04:40:26Z source: APNIC rpki-ov-state: valid route: 103.9.132.0/24 descr: ISN_Gazipur origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T08:04:39Z source: APNIC rpki-ov-state: valid route: 103.9.133.0/24 descr: ISN_Dhanmondi origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T08:02:54Z source: APNIC rpki-ov-state: valid route: 103.9.134.0/23 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-13T04:40:26Z source: APNIC rpki-ov-state: valid route: 103.9.134.0/24 descr: ISN_Gazipur origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T08:05:01Z source: APNIC rpki-ov-state: valid route: 103.9.135.0/24 descr: ISN_NG origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T08:02:00Z source: APNIC rpki-ov-state: valid route: 180.92.224.0/20 descr: ISN IP Pool-2 origin: AS9832 country: BD mnt-lower: MAINT-BD-ISN mnt-routes: MAINT-BD-ISN mnt-by: MAINT-BD-ISN last-modified: 2011-10-05T03:06:16Z source: APNIC rpki-ov-state: valid route: 180.92.224.0/21 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T05:50:31Z source: APNIC rpki-ov-state: valid route: 180.92.224.0/22 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-13T04:40:57Z source: APNIC rpki-ov-state: valid route: 180.92.224.0/23 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-13T04:40:58Z source: APNIC rpki-ov-state: valid route: 180.92.224.0/24 descr: ISN Head office origin: AS9832 mnt-lower: MAINT-BD-ISN mnt-routes: MAINT-BD-ISN mnt-by: MAINT-BD-ISN last-modified: 2011-10-05T04:31:49Z source: APNIC rpki-ov-state: valid route: 180.92.225.0/24 descr: ISN Head office origin: AS9832 mnt-lower: MAINT-BD-ISN mnt-routes: MAINT-BD-ISN mnt-by: MAINT-BD-ISN last-modified: 2011-10-05T04:32:06Z source: APNIC rpki-ov-state: valid route: 180.92.226.0/23 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-13T04:40:58Z source: APNIC rpki-ov-state: valid route: 180.92.226.0/24 descr: ISN Gulshan office origin: AS9832 mnt-lower: MAINT-BD-ISN mnt-routes: MAINT-BD-ISN mnt-by: MAINT-BD-ISN last-modified: 2011-10-05T04:32:29Z source: APNIC rpki-ov-state: valid route: 180.92.227.0/24 descr: ISN-Mongla origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:35:35Z source: APNIC rpki-ov-state: valid route: 180.92.228.0/22 descr: Dhaka-Office origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2019-11-14T05:53:24Z source: APNIC rpki-ov-state: valid route: 180.92.228.0/23 descr: ISN-CTG origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2019-11-17T09:27:25Z source: APNIC rpki-ov-state: valid route: 180.92.228.0/24 descr: ISN-Khulna origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:35:57Z source: APNIC rpki-ov-state: valid route: 180.92.229.0/24 descr: ISN-Khulna origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:36:05Z source: APNIC rpki-ov-state: valid route: 180.92.230.0/23 descr: Dhaka-Office origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2019-11-14T05:55:46Z source: APNIC rpki-ov-state: valid route: 180.92.230.0/24 descr: ISN-Sylhet origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:36:28Z source: APNIC rpki-ov-state: valid route: 180.92.231.0/24 descr: ISN-Sylhet origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:36:35Z source: APNIC rpki-ov-state: valid route: 180.92.232.0/21 descr: ISN-CTG origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2019-11-14T05:56:17Z source: APNIC rpki-ov-state: valid route: 180.92.232.0/22 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T05:50:32Z source: APNIC rpki-ov-state: valid route: 180.92.232.0/23 descr: ISN-CTG origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2019-11-14T05:56:55Z source: APNIC rpki-ov-state: valid route: 180.92.232.0/24 descr: ISN-Mymensing origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:37:07Z source: APNIC rpki-ov-state: valid route: 180.92.233.0/24 descr: ISN-Mymensing origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:37:14Z source: APNIC rpki-ov-state: valid route: 180.92.234.0/23 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T05:50:32Z source: APNIC rpki-ov-state: valid route: 180.92.234.0/24 descr: ISN-Uttara origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:37:52Z source: APNIC rpki-ov-state: valid route: 180.92.235.0/24 descr: ISN-Uttara origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:37:59Z source: APNIC rpki-ov-state: valid route: 180.92.236.0/22 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T05:50:32Z source: APNIC rpki-ov-state: valid route: 180.92.236.0/24 descr: ISN-CTG origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:39:10Z source: APNIC rpki-ov-state: valid route: 180.92.237.0/24 descr: ISN-CTG origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:39:17Z source: APNIC rpki-ov-state: valid route: 180.92.238.0/24 descr: ISN-Rajshahi origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:39:31Z source: APNIC rpki-ov-state: valid route: 180.92.239.0/24 descr: ISN-Gulshan origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:39:48Z source: APNIC rpki-ov-state: valid route: 203.148.88.0/22 descr: ISN Ltd origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:31:19Z source: APNIC rpki-ov-state: valid route: 203.148.88.0/23 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-14T05:08:22Z source: APNIC rpki-ov-state: valid route: 203.148.88.0/24 descr: ISN_Chittagong origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:31:44Z source: APNIC rpki-ov-state: valid route: 203.148.89.0/24 descr: ISN_Barishal origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:32:01Z source: APNIC rpki-ov-state: valid route: 203.148.90.0/23 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-14T05:08:22Z source: APNIC rpki-ov-state: valid route: 203.148.90.0/24 descr: ISN_Pirojpur origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:32:43Z source: APNIC rpki-ov-state: valid route: 203.148.91.0/24 descr: ISN_Rajshahi origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2016-05-03T10:33:22Z source: APNIC rpki-ov-state: valid route: 203.188.240.0/20 descr: ISN Network origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2010-06-14T09:30:20Z source: APNIC rpki-ov-state: valid route: 203.188.240.0/20 descr: Proxy-registered route object origin: AS9832 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20060909 source: LEVEL3 rpki-ov-state: valid route: 203.188.240.0/21 origin: AS9832 descr: Information Services Network Limited Limited mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T06:00:02Z source: APNIC rpki-ov-state: valid route: 203.188.240.0/21 descr: Proxy-registered route object origin: AS9832 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070113 source: LEVEL3 rpki-ov-state: valid route: 203.188.240.0/22 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T05:55:20Z source: APNIC rpki-ov-state: valid route: 203.188.240.0/24 descr: Loopback Address origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-27T08:29:49Z source: APNIC rpki-ov-state: valid route: 203.188.241.0/24 descr: ISN Khulna POP origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-27T08:28:49Z source: APNIC rpki-ov-state: valid route: 203.188.242.0/24 descr: Corporate Broadband origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-27T08:39:51Z source: APNIC rpki-ov-state: valid route: 203.188.243.0/24 descr: Home Broadband origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-27T08:19:47Z source: APNIC rpki-ov-state: valid route: 203.188.244.0/22 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T05:55:57Z source: APNIC rpki-ov-state: valid route: 203.188.244.0/24 descr: Home Broadband origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:12:19Z source: APNIC rpki-ov-state: valid route: 203.188.245.0/24 descr: Home Broadband origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:14:20Z source: APNIC rpki-ov-state: valid route: 203.188.245.0/24 descr: Proxy-registered route object origin: AS9832 remarks: This route object is for a BtN customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20080416 source: RADB last-modified: 2023-11-13T15:42:37Z rpki-ov-state: valid route: 203.188.246.0/24 descr: Corporate Broadband origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:14:20Z source: APNIC rpki-ov-state: valid route: 203.188.247.0/24 descr: Corporate Broadband origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:15:20Z source: APNIC rpki-ov-state: valid route: 203.188.248.0/21 descr: Proxy-registered route object origin: AS9832 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070111 source: LEVEL3 rpki-ov-state: valid route: 203.188.248.0/21 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2019-11-20T05:56:17Z source: APNIC rpki-ov-state: valid route: 203.188.248.0/24 descr: ISN Narayangonj POP origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:16:20Z source: APNIC rpki-ov-state: valid route: 203.188.249.0/24 descr: ISN Narayangonj POP origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:17:20Z source: APNIC rpki-ov-state: valid route: 203.188.250.0/24 descr: Corporate Broadband origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:18:21Z source: APNIC rpki-ov-state: valid route: 203.188.251.0/24 descr: ISN Uttara POP origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:19:21Z source: APNIC rpki-ov-state: valid route: 203.188.252.0/24 descr: ISN Network origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-27T08:43:52Z source: APNIC rpki-ov-state: valid route: 203.188.253.0/24 descr: Dial-Up Service origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-27T08:27:49Z source: APNIC rpki-ov-state: valid route: 203.188.254.0/24 descr: ISN Gulshan POP origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:21:21Z source: APNIC rpki-ov-state: valid route: 203.188.255.0/24 descr: ISN Gulshan POP origin: AS9832 mnt-by: MAINT-BD-ISN last-modified: 2009-06-29T04:20:21Z source: APNIC rpki-ov-state: valid route6: 2403:bf80::/32 mnt-routes: MAINT-BD-ISN origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2022-11-22T07:36:02Z source: APNIC rpki-ov-state: valid route6: 2403:bf80::/48 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2022-11-22T07:38:47Z source: APNIC rpki-ov-state: valid route6: 2403:bf80:1::/48 mnt-routes: MAINT-BD-ISN origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2022-11-22T07:41:44Z source: APNIC rpki-ov-state: valid route6: 2403:bf80:2::/48 mnt-routes: MAINT-BD-ISN origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2022-11-22T07:42:21Z source: APNIC rpki-ov-state: valid route6: 2403:bf80:3::/48 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2022-12-05T05:42:40Z source: APNIC rpki-ov-state: valid route6: 2403:bf80:a::/48 origin: AS9832 descr: Information Services Network Limited Limited 52, New Eskaton Road TMC Building (4th Floor) mnt-by: MAINT-BD-ISN last-modified: 2023-03-20T10:37:49Z source: APNIC rpki-ov-state: valid