These entries are queried from radb.net using whois, you can try my project getting these.
:AS17691 route: 61.4.128.0/19 descr: NDS CIDR BLOCK 7 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.128.0/20 descr: NDS CIDR BLOCK 13 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #01:41:23Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.144.0/20 descr: NDS CIDR BLOCK 4 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.144.0/21 descr: NDS CIDR BLOCK 14 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #01:53:20Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.152.0/21 descr: NDS CIDR BLOCK 9 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 remarks: notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20050407 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.152.0/22 descr: NDS CIDR BLOCK 10 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 remarks: notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20050407 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.156.0/22 descr: NDS CIDR BLOCK 11 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20090804 #04:23:09Z source: RADB last-modified: 2023-11-13T15:40:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.160.0/20 descr: NDS CIDR BLOCK 8 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.160.0/22 descr: NDS CIDR BLOCK 17 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #02:07:38Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.164.0/22 descr: NDS CIDR BLOCK 18 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #02:10:15Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.168.0/22 descr: NDS CIDR BLOCK 19 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #02:11:50Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.4.172.0/22 descr: NDS CIDR BLOCK 20 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #02:13:28Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.157.96.0/19 descr: NDS CIDR BLOCK 6 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 remarks: notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.157.96.0/22 descr: NDS CIDR BLOCK 15 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #01:57:12Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.157.103.0/24 descr: NDS CIDR BLOCK 21 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120521 #05:51:56Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.157.104.0/21 descr: NDS CIDR BLOCK 16 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20120405 #02:00:19Z source: RADB last-modified: 2023-11-13T15:42:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.157.112.0/20 descr: NDS CIDR BLOCK 5 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 202.157.124.0/22 descr: NDS CIDR BLOCK 12 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noc [at] tiki.ad.jp 20111130 #03:39:31Z source: RADB last-modified: 2023-11-13T15:41:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.40.16.0/20 descr: NDS CIDR BLOCK 1 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 218.223.240.0/20 descr: NDS CIDR BLOCK 2 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 219.117.128.0/20 descr: NDS CIDR BLOCK 3 ( AS17691 ) NDS CO.,LTD. 2-6-33 Suzaki, Okayama 702-8042 Japan origin: AS17691 notify: noc [at] tiki.ad.jp mnt-by: MAINT-AS17691 changed: noriko-h [at] tiki.ad.jp 20041207 source: RADB last-modified: 2023-11-13T15:39:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source