These entries are queried from radb.net using whois, you can try my project getting these.
:AS17955 route: 103.152.138.0/23 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.152.138.0/23 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:52:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 120.88.16.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:35:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 120.88.16.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 120.88.16.0/21 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:44:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 120.88.16.0/21 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 120.88.24.0/21 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 120.88.24.0/21 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:44:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.64.0/21 descr: SDC (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.47.64.0/21 descr: SDC (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:38:31Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.247.192.0/18 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:30:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.247.192.0/18 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.247.192.0/24 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:31:14Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.247.192.0/24 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.48.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:35:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.48.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.48.0/21 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:35:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.48.0/21 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.56.0/22 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.56.0/22 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:38:04Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.60.0/22 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:38:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.223.60.0/22 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.56.160.0/19 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.56.160.0/19 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:31:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.56.160.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:45:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.56.160.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.56.176.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:45:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 210.56.176.0/20 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:8000::/32 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic6 [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240328 source: RADB last-modified: 2024-03-28T01:52:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2406:8000::/32 descr: AVISNET (Densan Co., Ltd.) X-Keiro: jpnic [at] avis.ad.jp origin: AS17955 notify: jpnic6 [at] avis.ad.jp mnt-by: MAINT-AS17955 changed: kasahara [at] avis.ad.jp 20240327 source: JPIRR rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source