These entries are queried from radb.net using whois, you can try my project getting these.
:AS131148 route: 103.21.60.0/22 descr: Bank Of Taiwan proxy announcement origin: AS131148 notify: ipbb-apol [at] aptg.com.tw mnt-by: MAINT-AS17709 changed: kiayang [at] aptg.com.tw 20121219 #02:58:25Z source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.60.0/24 descr: Taiwan Fixed Network Proxy-registered Transit customer BOT origin: AS131148 notify: iptac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: ricky1wu [at] taiwanmobile.com 20161228 source: RADB last-modified: 2023-11-13T15:50:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.61.0/24 descr: Taiwan Fixed Network Proxy-registered Transit customer BOT origin: AS131148 notify: iptac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: ricky1wu [at] taiwanmobile.com 20161228 source: RADB last-modified: 2023-11-13T15:50:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.62.0/24 descr: Taiwan Fixed Network Proxy-registered Transit customer BOT origin: AS131148 notify: iptac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: ricky1wu [at] taiwanmobile.com 20161228 source: RADB last-modified: 2023-11-13T15:50:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.21.63.0/24 descr: Taiwan Fixed Network Proxy-registered Transit customer BOT origin: AS131148 notify: iptac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: ricky1wu [at] taiwanmobile.com 20161228 source: RADB last-modified: 2023-11-13T15:50:29Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:6100::/32 descr: Proxy-registered route object(Customer) origin: AS131148 notify: iptac [at] taiwanmobile.com mnt-by: MAINT-AS9924 changed: senzchang [at] taiwanmobile.com 20221118 source: NTTCOM last-modified: 2022-11-18T07:06:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:6100::/32 descr: Bank Of Taiwan proxy announcement origin: AS131148 notify: ipbb-apol [at] aptg.com.tw mnt-by: MAINT-AS17709 changed: kiayang [at] aptg.com.tw 20121219 #02:59:01Z source: RADB last-modified: 2023-11-13T15:44:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source