These entries are queried from radb.net using whois, you can try my project getting these.
:AS327728 route: 154.72.20.0/22 descr: Cable Television Network Ltd. origin: AS327728 org: ORG-CTN1-AFRINIC notify: *** [at] ctvbroadband.net mnt-by: CABLE-TV-MNT changed: *** [at] ctvbroadband.net 20180829 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.72.20.0/22 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT created: 2015-02-04T23:18:56Z last-modified: 2018-09-04T18:03:59Z 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: 154.72.20.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT changed: *** [at] dsolutions.co.tz 20170806 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.72.20.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT created: 2017-08-06T22:02:37Z last-modified: 2018-09-04T18:53:52Z 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: 154.72.21.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT created: 2017-08-06T22:04:56Z last-modified: 2018-09-04T18:53:52Z 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: 154.72.21.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT changed: *** [at] dsolutions.co.tz 20170806 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.72.22.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT changed: *** [at] dsolutions.co.tz 20170806 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.72.22.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT created: 2017-08-06T22:05:20Z last-modified: 2018-09-04T18:53:52Z 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: 154.72.23.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT changed: *** [at] dsolutions.co.tz 20170806 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.72.23.0/24 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT created: 2017-08-06T22:05:40Z last-modified: 2018-09-04T18:53:52Z 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 route6: 2c0f:f6b0::/32 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT created: 2015-02-04T23:21:06Z last-modified: 2018-09-04T19:43:28Z 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 route6: 2c0f:f6b0::/32 descr: Cable Television Network Ltd. origin: AS327728 mnt-by: CABLE-TV-MNT changed: *** [at] ctvbroadband.net 20180829 source: AFRINIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source