These entries are queried from radb.net using whois, you can try my project getting these.
:AS37303 route: 41.77.16.0/21 descr: Route Object origin: AS37303 mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20181207 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.16.0/21 descr: Airtel Madagascar origin: AS37303 mnt-by: DR51976-MNT created: 2012-09-18T20:23:13Z last-modified: 2018-09-04T17:16:22Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.16.0/23 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.16.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.18.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.19.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.20.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.21.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.22.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 41.77.23.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.128.0/18 descr: Route Object origin: AS37303 mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20181207 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.128.0/18 descr: New Ip range for Airtel MG origin: AS37303 mnt-by: DR51976-MNT created: 2013-03-22T19:00:56Z last-modified: 2018-09-04T17:37:07Z source: RIPE-NONAUTH remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.129.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.130.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.131.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.132.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.133.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.134.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.135.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.136.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 197.148.139.0/24 origin: AS37303 descr: Airtel MG Route object mnt-by: AIRTELMADA-MNT changed: *** [at] mg.airtel.com 20230713 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source