These entries are queried from radb.net using whois, you can try my project getting these.
:AS17701 route: 160.23.0.0/16 descr: Seinan Gakuin University 6-2-92, Nishijin, Sawara-ku Fukuoka-shi, Fukuoka, 814-8511, JAPAN X-keiro : root [at] seinan-gu.ac.jp origin: AS17701 notify: root [at] seinan-gu.ac.jp mnt-by: MAINT-AS17701 changed: root [at] seinan-gu.ac.jp 20220701 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.23.0.0/16 descr: Seinan Gakuin University 6-2-92, Nishijin, Sawara-ku Fukuoka-shi, Fukuoka, 814-8511, JAPAN origin: AS17701 notify: qcn-admin [at] qtnet.ad.jp mnt-by: MAINT-AS2516 changed: ogata [at] qtnet.ad.jp 20011114 source: RADB last-modified: 2023-11-13T15:39:32Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.23.0.0/17 descr: Seinan Gakuin University 6-2-92, Nishijin, Sawara-ku Fukuoka-shi, Fukuoka, 814-8511, JAPAN X-keiro : root [at] seinan-gu.ac.jp origin: AS17701 notify: root [at] seinan-gu.ac.jp mnt-by: MAINT-AS17701 changed: root [at] seinan-gu.ac.jp 20220701 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 160.23.128.0/17 descr: Seinan Gakuin University 6-2-92, Nishijin, Sawara-ku Fukuoka-shi, Fukuoka, 814-8511, JAPAN X-keiro : root [at] seinan-gu.ac.jp origin: AS17701 notify: root [at] seinan-gu.ac.jp mnt-by: MAINT-AS17701 changed: root [at] seinan-gu.ac.jp 20220701 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df4:b400::/48 descr: Seinan Gakuin University 6-2-92, Nishijin, Sawara-ku Fukuoka-shi, Fukuoka, 814-8511, JAPAN X-Keiro : cc-net [at] seinan-gu.ac.jp origin: AS17701 notify: cc-net [at] seinan-gu.ac.jp mnt-by: MAINT-AS17701 changed: cc-net [at] seinan-gu.ac.jp 20230602 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df4:b400::/48 descr: AS7679(QTNet) origin: AS17701 mnt-by: MAINT-AS4766 changed: ipnoc [at] kt.com 20150731 #09:07:27Z source: RADB last-modified: 2023-11-13T16:15:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source