These entries are queried from radb.net using whois, you can try my project getting these.
:AS37897 route: 115.31.192.0/20 descr: AXELENTERMEDIA, INC. X-Keiro:idc-critical-net [at] axelnetworks.co.jp origin: AS37897 notify: nic [at] axelentermedia.jp mnt-by: MAINT-AS37897 changed: nic [at] axelentermedia.jp 20240402 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.192.0/20 descr: Lexues origin: AS37897 notify: eng [at] noc.lexues.net mnt-by: MAINT-AS37897 changed: eng [at] noc.lexues.net 20100528 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.192.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.193.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.194.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.195.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.196.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.197.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.198.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.199.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: h.sonoda [at] ntt.com 20080716 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 115.31.200.0/21 descr: Lexues origin: AS37897 notify: eng [at] noc.lexues.net mnt-by: MAINT-AS37897 changed: eng [at] noc.lexues.net20100304 20100304 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.95.248.0/23 descr: AXELENTERMEDIA, INC. origin: AS37897 notify: nic [at] axelentermedia.jp mnt-by: MAINT-AS37897 changed: nic [at] axelentermedia.jp 20240402 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.95.248.0/23 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: t.morinobu [at] ntt.com 20061006 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.95.248.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: s.uechi [at] lexues.co.jp 20061120 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.95.249.0/24 descr: Lexues origin: AS37897 notify: bgp-op [at] ntt.com mnt-by: MAINT-AS37897 changed: s.uechi [at] lexues.co.jp 20061120 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2401:24c0::/32 descr: AXELENTERMEDIA, INC. X-Keiro:idc-critical-net [at] axelnetworks.co.jp origin: AS37897 notify: nic [at] axelentermedia.jp mnt-by: MAINT-AS37897 changed: nic [at] axelentermedia.jp 20240402 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source