These entries are queried from radb.net using whois, you can try my project getting these.
:AS38651 route: 103.109.240.0/22 descr: mixi, Inc. CIDR-block NO.3-22 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 103.109.240.0/23 descr: mixi, Inc. CIDR-block NO.3-23-1 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 103.109.240.0/24 descr: mixi, Inc. CIDR-block NO.3-24-1 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 103.109.241.0/24 descr: mixi, Inc. CIDR-block NO.3-24-2 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 103.109.242.0/23 descr: mixi, Inc. CIDR-block NO.3-23-2 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 103.109.242.0/24 descr: mixi, Inc. CIDR-block NO.3-24-3 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 103.109.243.0/24 descr: mixi, Inc. CIDR-block NO.3-24-4 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.176.0/21 descr: Mixi,Inc. CIDR-block NO.1 X-Keiro:noc [at] as38651.jp origin: AS38651 mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20150917 source: RADB last-modified: 2023-11-13T15:48:09Z rpki-ov-state: valid route: 110.44.176.0/21 descr: mixi, Inc. CIDR-block NO.1-21 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.176.0/23 descr: mixi, Inc. CIDR-block NO.1-23-1 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.176.0/24 descr: mixi, Inc. CIDR-block NO.1-24-1 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.177.0/24 descr: mixi, Inc. CIDR-block NO.1-24-2 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.178.0/23 descr: mixi, Inc. CIDR-block NO.1-23-2 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.178.0/24 descr: mixi, Inc. CIDR-block NO.1-24-3 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.179.0/24 descr: mixi, Inc. CIDR-block NO.1-24-4 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.180.0/23 descr: mixi, Inc. CIDR-block NO.1-23-3 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.180.0/24 descr: mixi, Inc. CIDR-block NO.1-24-5 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.181.0/24 descr: mixi, Inc. CIDR-block NO.1-24-6 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.182.0/23 descr: mixi, Inc. CIDR-block NO.1-23-4 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.182.0/24 descr: mixi, Inc. CIDR-block NO.1-24-7 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 110.44.183.0/24 descr: mixi, Inc. CIDR-block NO.1-24-8 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.104.0/21 descr: Mixi,Inc. CIDR-block NO.2 X-Keiro:noc [at] as38651.jp origin: AS38651 mnt-by: MAINT-AS7684 changed: peer [at] sakura.ad.jp 20150917 source: RADB last-modified: 2023-11-13T15:48:09Z rpki-ov-state: valid route: 114.31.104.0/21 descr: mixi, Inc. CIDR-block NO.2-21 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.104.0/23 descr: mixi, Inc. CIDR-block NO.2-23-1 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.104.0/24 descr: mixi, Inc. CIDR-block NO.2-24-1 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.105.0/24 descr: mixi, Inc. CIDR-block NO.2-24-2 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.106.0/23 descr: mixi, Inc. CIDR-block NO.2-23-2 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.106.0/24 descr: mixi, Inc. CIDR-block NO.2-24-3 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.107.0/24 descr: mixi, Inc. CIDR-block NO.2-24-4 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.108.0/23 descr: mixi, Inc. CIDR-block NO.2-23-3 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.108.0/24 descr: mixi, Inc. CIDR-block NO.2-24-5 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.109.0/24 descr: mixi, Inc. CIDR-block NO.2-24-6 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.110.0/23 descr: mixi, Inc. CIDR-block NO.2-23-4 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.110.0/24 descr: mixi, Inc. CIDR-block NO.2-24-7 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route: 114.31.111.0/24 descr: mixi, Inc. CIDR-block NO.2-24-8 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid route6: 2401:f100::/32 descr: mixi, Inc. IPv6 CIDR-block No.1 X-Keiro:infra-all [at] mixi.co.jp origin: AS38651 notify: infra-all [at] mixi.co.jp mnt-by: MAINT-AS38651 changed: infra-all [at] mixi.co.jp 20240221 source: JPIRR rpki-ov-state: valid