These entries are queried from radb.net using whois, you can try my project getting these.
:AS58883 route: 43.247.132.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.247.132.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.247.164.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.247.164.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.247.164.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.247.165.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.247.166.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.247.167.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.254.164.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.254.164.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.255.156.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.255.156.0/22 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.255.156.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.255.158.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.255.159.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.17.34.0/24 descr: CITIC Telecom International CPC Limited origin: AS58883 notify: hostinfo [at] citictel-cpc.com mnt-by: MAINT-HK-PSINET changed: hostinfo [at] citictel-cpc.com 20140827 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.17.34.0/24 descr: Taiwan Fixed Network Proxy Announcement origin: AS58883 notify: tfntac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: iptac [at] taiwanmobile.com 20140903 source: RADB last-modified: 2023-11-13T15:46:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source