These entries are queried from radb.net using whois, you can try my project getting these.
:AS23274 route: 64.6.16.0/20 descr: priceline.com 800 Connecticut Avenue Norwalk, CT 06854 USA origin: AS23274 notify: christopher.muir [at] priceline.com mnt-by: MAINT-AS23274 changed: christopher.muir [at] priceline.com 20140306 #19:18:56Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.6.16.0/24 origin: AS23274 descr: Priceline.com mnt-by: MAINT-AS23274 changed: brian.spitzmacher [at] priceline.com 20191212 #19:51:17Z source: RADB last-modified: 2023-11-13T15:59:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.6.17.0/24 descr: Priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: gwegener [at] priceline.com 20110916 source: RADB last-modified: 2023-11-13T15:41:36Z rpki-ov-state: valid route: 64.6.18.0/24 descr: Priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: gwegener [at] priceline.com 20110916 source: RADB last-modified: 2023-11-13T15:41:36Z rpki-ov-state: valid route: 64.6.20.0/24 descr: Priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: christopher.muir [at] priceline.com 20140306 #19:20:09Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.6.21.0/24 descr: Priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: christopher.muir [at] priceline.com 20140306 #19:21:01Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.6.22.0/24 descr: Priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: christopher.muir [at] priceline.com 20150827 #14:27:11Z source: RADB last-modified: 2023-11-13T15:48:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.6.28.0/24 descr: Priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: gwegener [at] priceline.com 20110916 source: RADB last-modified: 2023-11-13T15:41:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.6.29.0/24 descr: priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: christopher.muir [at] priceline.com 20150827 #14:29:16Z source: RADB last-modified: 2023-11-13T15:48:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.6.30.0/24 descr: Priceline.com origin: AS23274 mnt-by: MAINT-AS23274 changed: christopher.muir [at] priceline.com 20150827 #14:27:49Z source: RADB last-modified: 2023-11-13T15:48:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source