These entries are queried from radb.net using whois, you can try my project getting these.
:AS139468 route: 45.116.132.0/22 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20230623 #05:45:47Z source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.116.134.0/23 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20220804 #02:10:35Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 45.116.134.0/24 origin: AS139468 descr: DC Communications Inc. Dai 2 Take Bldg. 7F, Shinjuku 1-9-1 mnt-by: MAINT-DCI-JP last-modified: 2023-05-08T11:17:39Z source: APNIC rpki-ov-state: valid route: 45.116.134.0/24 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20211110 #09:02:28Z source: RADB last-modified: 2023-11-13T16:08:39Z rpki-ov-state: valid route: 101.0.28.0/22 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20220417 #00:53:00Z source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 101.0.28.0/24 origin: AS139468 descr: Double Cast Inc. Fuji Shinjuku Building 4th floor Shinjuku 5-11-13 mnt-by: MAINT-JP-DOUBLECAST last-modified: 2020-08-13T03:50:43Z source: APNIC rpki-ov-state: valid route: 101.0.28.0/24 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20200618 #06:52:58Z source: RADB last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid route: 101.0.29.0/24 origin: AS139468 descr: Double Cast Inc. Fuji Shinjuku Building 4th floor Shinjuku 5-11-13 mnt-by: MAINT-JP-DOUBLECAST last-modified: 2020-08-13T03:50:44Z source: APNIC rpki-ov-state: valid route: 101.0.29.0/24 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20200621 #01:31:51Z source: RADB last-modified: 2023-11-13T16:01:01Z rpki-ov-state: valid route: 101.0.30.0/24 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20200804 #06:30:45Z source: RADB last-modified: 2023-11-13T16:01:18Z rpki-ov-state: valid route: 101.0.30.0/24 origin: AS139468 descr: Double Cast Inc. Fuji Shinjuku Building 4th floor Shinjuku 5-11-13 mnt-by: MAINT-JP-DOUBLECAST last-modified: 2020-08-13T03:52:26Z source: APNIC rpki-ov-state: valid route: 101.0.31.0/24 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20200811 #01:40:45Z source: RADB last-modified: 2023-11-13T16:01:31Z rpki-ov-state: valid route: 101.0.31.0/24 origin: AS139468 descr: Double Cast Inc. Fuji Shinjuku Building 4th floor Shinjuku 5-11-13 mnt-by: MAINT-JP-DOUBLECAST last-modified: 2020-08-13T03:53:06Z source: APNIC rpki-ov-state: valid route: 103.9.92.0/22 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20230623 #05:44:47Z source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.9.94.0/23 origin: AS139468 descr: DOUBLE CAST Inc. admin-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20230309 #10:03:10Z source: RADB last-modified: 2023-11-13T16:15:23Z rpki-ov-state: valid route: 103.9.94.0/23 origin: AS139468 descr: DC Communications Inc. Dai 2 Take Bldg. 7F, Shinjuku 1-9-1 mnt-by: MAINT-DCI-JP last-modified: 2023-06-21T03:18:53Z source: APNIC rpki-ov-state: valid route: 103.9.164.0/23 origin: AS139468 descr: DOUBLE CAST Inc. mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20220804 #02:31:35Z source: RADB last-modified: 2023-11-13T16:12:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.28.0/22 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP last-modified: 2024-03-12T02:29:16Z source: APNIC rpki-ov-state: valid route: 103.28.28.0/22 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20240311 # 0952Z source: RADB last-modified: 2024-03-11T09:52:40Z rpki-ov-state: valid route: 103.37.132.0/22 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20230623 #05:48:35Z source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.37.134.0/23 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20230626 #03:57:19Z source: RADB last-modified: 2023-11-13T16:17:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.240.12.0/22 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP last-modified: 2024-03-12T02:30:26Z source: APNIC rpki-ov-state: valid route: 103.240.12.0/22 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20190820 #14:04:51Z source: RADB last-modified: 2023-11-13T15:57:04Z rpki-ov-state: valid route: 103.240.13.0/24 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP last-modified: 2024-03-12T02:30:12Z source: APNIC rpki-ov-state: valid route: 103.245.4.0/22 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20220417 #00:56:02Z source: RADB last-modified: 2023-11-13T16:10:51Z rpki-ov-state: valid route: 103.245.4.0/22 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP last-modified: 2024-03-12T02:32:01Z source: APNIC rpki-ov-state: valid route: 103.245.4.0/23 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP last-modified: 2024-03-12T02:32:34Z source: APNIC rpki-ov-state: valid route: 103.245.7.0/24 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20211031 #02:15:07Z source: RADB last-modified: 2023-11-13T16:08:36Z rpki-ov-state: valid route: 103.245.7.0/24 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP last-modified: 2024-03-12T02:32:51Z source: APNIC rpki-ov-state: valid route6: 2405:9e40::/32 origin: AS139468 descr: DC Communications Inc. mnt-by: MAINT-DCI-JP last-modified: 2024-03-12T02:33:55Z source: APNIC rpki-ov-state: valid route6: 2405:9e40::/32 origin: AS139468 descr: DC Communications Inc. admin-c: DCIA1-AP tech-c: DCIA1-AP mnt-by: MAINT-DCI-JP changed: ko.nomura [at] dc-communications.jp 20200513 #09:31:37Z source: RADB last-modified: 2023-11-13T16:00:39Z rpki-ov-state: valid