These entries are queried from radb.net using whois, you can try my project getting these.
:AS140577 route: 103.150.140.0/23 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2020-06-30T20:20:10Z source: APNIC rpki-ov-state: valid route: 103.150.140.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2020-06-30T20:38:38Z source: APNIC rpki-ov-state: valid route: 103.150.141.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2020-06-30T20:39:09Z source: APNIC rpki-ov-state: valid route: 168.100.128.0/19 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2020-11-23T16:45:15Z source: APNIC rpki-ov-state: valid route: 168.100.128.0/20 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2020-11-23T16:46:15Z source: APNIC rpki-ov-state: valid route: 168.100.128.0/21 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-06-26T15:12:03Z source: APNIC rpki-ov-state: valid route: 168.100.136.0/21 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2021-01-08T12:06:42Z source: APNIC rpki-ov-state: valid route: 168.100.140.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-12T17:08:22Z source: APNIC rpki-ov-state: valid route: 168.100.141.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-12T17:08:23Z source: APNIC rpki-ov-state: valid route: 168.100.142.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-12T17:08:25Z source: APNIC rpki-ov-state: valid route: 168.100.143.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-12T17:08:26Z source: APNIC rpki-ov-state: valid route: 168.100.144.0/20 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2020-11-23T16:54:02Z source: APNIC rpki-ov-state: valid route: 168.100.148.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-12T17:20:58Z source: APNIC rpki-ov-state: valid route: 202.94.84.0/23 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2022-08-01T09:31:09Z source: APNIC rpki-ov-state: valid route: 202.94.84.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2022-08-01T09:31:10Z source: APNIC rpki-ov-state: valid route: 202.94.85.0/24 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2022-08-01T09:31:12Z source: APNIC rpki-ov-state: valid route6: 2001:470:24a::/48 origin: AS140577 descr: NET-2001-470-24a---48-AS140577 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2023-12-15T02:45:13Z last-modified: 2023-12-15T02:45:13Z rpki-ov-state: valid route6: 2001:df3:7c80::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2020-06-30T20:20:07Z source: APNIC rpki-ov-state: valid route6: 2401:59a0::/32 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-12T13:48:48Z source: APNIC rpki-ov-state: valid route6: 2401:59a0::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:10Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:1::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:11Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:2::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:13Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:3::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:14Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:4::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:15Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:5::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:16Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:6::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:17Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:7::/48 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:44:18Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:8::/46 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:51:57Z source: APNIC rpki-ov-state: valid route6: 2401:59a0:c::/46 origin: AS140577 descr: Ahrefs Pte Ltd Marina One East Tower, 7 Straits View, #08-02 mnt-by: MAINT-AHREFS-SG last-modified: 2023-12-14T14:51:58Z source: APNIC rpki-ov-state: valid