These entries are queried from radb.net using whois, you can try my project getting these.
:AS36032 route: 168.161.192.0/21 descr: auto-generated route object for 168.161.192.0/21 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.200.0/23 descr: Docklands Data Center London origin: AS36032 mnt-by: MAINT-AS5662 changed: michael.hartman [at] turner.com 20181108 #15:32:29Z source: RADB last-modified: 2023-11-13T15:55:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.200.0/24 descr: auto-generated route object for 168.161.200.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.201.0/24 descr: auto-generated route object for 168.161.201.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20110330 #18:06:05Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.202.0/23 descr: WBEI - Leavesden Public Summary Route origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20120711 #03:41:33Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.202.0/24 descr: WBEI - Leavesden Public Route (Advertised over Virgin Media) origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20120711 #03:40:02Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.203.0/24 descr: WBEI - Leavesden Public Route (Advertised over Level 3) origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20120711 #03:40:37Z source: RADB last-modified: 2023-11-13T15:43:21Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.206.0/24 descr: auto-generated route object for 168.161.206.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.210.0/24 descr: Sydney origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20151224 #20:20:16Z source: RADB last-modified: 2023-11-13T15:48:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.211.0/24 descr: available origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20151224 #20:21:16Z source: RADB last-modified: 2023-11-13T15:48:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.215.0/24 origin: AS36032 descr: Leavesden, UK Productions mnt-by: MAINT-AS5662 changed: michael.hartman [at] turner.com 20190123 #23:03:22Z source: RADB last-modified: 2023-11-13T15:55:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.216.0/23 descr: WB Mexico City Internet Egress origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20110606 #21:05:38Z source: RADB last-modified: 2023-11-13T15:41:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.216.0/24 descr: WB Mexico City Internet Egress origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20150527 #20:09:24Z source: RADB last-modified: 2023-11-13T15:47:27Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.217.0/24 descr: Leavesden (was unused at Mexico City) origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20151224 #20:22:54Z source: RADB last-modified: 2023-11-13T15:48:30Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.218.0/23 origin: AS36032 descr: Globenet Customer - America NET - Warner Bros Entertainment mnt-by: MAINT-AS52320 changed: leonardo.almeida [at] globenet.net 20201019 #18:04:00Z source: RADB last-modified: 2023-11-13T16:02:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.218.0/24 descr: auto-generated route object for 168.161.218.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.219.0/24 descr: auto-generated route object for 168.161.219.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.220.0/24 origin: AS36032 descr: WB - Burbank, CA mnt-by: MAINT-AS5662 changed: michael.hartman [at] turner.com 20200110 #13:51:41Z source: RADB last-modified: 2023-11-13T15:59:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.228.0/24 descr: auto-generated route object for 168.161.228.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.239.0/24 descr: Leavesden, UK Productions origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20160921 #01:27:33Z source: RADB last-modified: 2023-11-13T15:49:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 168.161.251.0/24 origin: AS36032 descr: WarnerMedia London - Docklands mnt-by: MAINT-AS5662 changed: michael.hartman [at] turner.com 20210721 #03:33:19Z source: RADB last-modified: 2023-11-13T16:07:59Z rpki-ov-state: valid route: 204.140.3.0/24 descr: auto-generated route object for 204.140.3.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.140.5.0/24 descr: WB Tokyo, Japan origin: AS36032 notify: NetworkServices [at] warnerbros.com mnt-by: MAINT-AS36032 changed: NetworkServices [at] warnerbros.com 20090519 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.140.5.0/24 descr: auto-generated route object for 204.140.5.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.140.6.0/24 descr: auto-generated route object for 204.140.6.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.140.7.0/24 descr: WB-Extranets origin: AS36032 mnt-by: MAINT-AS36032 changed: networkservices [at] warnerbros.com 20150309 #15:56:01Z source: RADB last-modified: 2023-11-13T15:47:20Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.140.8.0/23 descr: auto-generated route object for 204.140.8.0/23 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.140.10.0/24 descr: auto-generated route object for 204.140.10.0/24 origin: AS36032 mnt-by: MAINT-AS36032 changed: network.services [at] warnerbros.com 20110207 #21:33:50Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source