These entries are queried from radb.net using whois, you can try my project getting these.
:AS14453 route: 66.135.96.0/19 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - remarks: For technical issues, please contact ANOC13-ARIN. remarks: For administrative & abuse issues, please contact SFU13-ARIN. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: sfulton [at] akn.ca 20080513 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.96.0/19 descr: CentriLogic Inc. (Canada Network) origin: AS14453 admin-c: CIT3-ARIN tech-c: CIT3-ARIN remarks: No part of this allocation is portable. notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20181115 #12:58:32Z source: RADB last-modified: 2023-11-13T15:55:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.96.0/20 descr: NET-66-135-96-0-2 origin: AS14453 remarks: Proxy route on behalf of ADVANCED KNOWLEDGE NETWORKS mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20160629 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.96.0/21 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110810 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.104.0/21 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110810 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.112.0/20 descr: NET-66-135-96-0-1 origin: AS14453 remarks: Proxy route on behalf of ADVANCED KNOWLEDGE NETWORKS mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20160629 source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.112.0/21 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110810 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.120.0/21 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110810 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.135.124.0/22 descr: NET-66-135-96-0-1 origin: AS14453 remarks: Proxy route on behalf of ADVANCED KNOWLEDGE NETWORKS mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20190219 source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.0.0/23 descr: Proxy route object created for CentriLogic customer origin: AS14453 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20181115 #18:25:03Z source: RADB last-modified: 2023-11-13T15:55:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 158.247.80.0/21 origin: AS14453 descr: NET-158-247-80-0-2 notify: IPtech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20191212 #13:42:56Z 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: 158.247.88.0/22 origin: AS14453 descr: NET-158-247-88-0-1 notify: IPtech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20191212 #13:44:24Z 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: 172.98.206.0/23 origin: AS14453 descr: 172.98.206.0/23 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #22:01:32Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.240.0.0/22 origin: AS14453 descr: 173.240.0.0/22 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #22:07:14Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.240.8.0/23 origin: AS14453 descr: 173.240.8.0/23 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #22:08:25Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.240.12.0/24 origin: AS14453 descr: 173.240.12.0/24 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #22:09:27Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.219.249.0/24 descr: Proxy-registered route object for CentriLogic customer. origin: AS14453 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20181115 #11:14:31Z source: RADB last-modified: 2023-11-13T15:55:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.43.205.0/24 origin: AS14453 descr: 199.43.205.0/24 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:04:52Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.185.188.0/24 descr: Proxy-registered route object for CentriLogic customer. origin: AS14453 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20181115 #11:15:38Z source: RADB last-modified: 2023-11-13T15:55:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.10.240.0/22 origin: AS14453 descr: 204.10.240.0/22 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:06:54Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.187.68.0/24 descr: NET-204-187-68-0-1 origin: AS14453 remarks: Proxy route on behalf of Ontario Financing Authority mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20190712 source: RADB last-modified: 2023-11-13T15:56:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.130.152.0/24 origin: AS14453 descr: Proxy-registered route object for CentriLogic customer admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:15:40Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.130.153.0/24 origin: AS14453 descr: Proxy-registered route object for CentriLogic customer admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:16:12Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 206.198.184.0/21 origin: AS14453 descr: NET-206-198-184-0-2 notify: IPtech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20191212 #13:41:06Z 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: 208.65.168.0/22 origin: AS14453 descr: 208.65.168.0/22 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:22:24Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.86.140.0/22 origin: AS14453 descr: 208.86.140.0/22 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:27:33Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.94.160.0/21 origin: AS14453 descr: 208.94.160.0/21 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:28:45Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.94.165.0/24 origin: AS14453 descr: 208.94.165.0/24 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:29:48Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.240.0/20 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: sfulton [at] akn.ca 20080529 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.240.0/20 descr: CentriLogic Inc. (Canada Network) origin: AS14453 admin-c: CIT3-ARIN tech-c: CIT3-ARIN remarks: No part of this allocation is portable. notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20181115 #12:59:43Z source: RADB last-modified: 2023-11-13T15:55:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.240.0/21 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110810 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.247.0/24 descr: NET-209-90-240-0-1 origin: AS14453 remarks: Proxy route on behalf of ADVANCED KNOWLEDGE NETWORKS mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20190219 source: RADB last-modified: 2023-11-13T15:55:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.248.0/21 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110810 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.248.0/23 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: Prefix announced via AS11260 only. remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110809 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.250.0/23 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: Prefix announced via AS852 and AS701 only. remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110809 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.250.0/24 descr: NET-209-90-240-0-1 origin: AS14453 remarks: Proxy route on behalf of ADVANCED KNOWLEDGE NETWORKS mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20190120 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: 209.90.252.0/24 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: Prefix announced via AS3356 only. remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110809 source: ARIN # Filtered rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.90.253.0/24 descr: NET-209-90-240-0-1 origin: AS14453 remarks: Proxy route on behalf of ADVANCED KNOWLEDGE NETWORKS mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20190120 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: 209.90.254.0/24 descr: Advanced Knowledge Networks origin: AS14453 remarks: - remarks: Prefix announced via AS577 only. remarks: - remarks: No part of this allocation is portable. remarks: - notify: noc [at] akn.ca mnt-by: MNT-AKN changed: noc [at] akn.ca 20110809 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.193.78.0/24 origin: AS14453 descr: Proxy-registered route object for CentriLogic customer admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:31:11Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.251.50.0/24 origin: AS14453 descr: 209.251.50.0/24 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: ggiesen [at] centrilogic.com 20200923 #04:01:10Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.251.56.0/22 origin: AS14453 descr: 209.251.56.0/22 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:40:10Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.251.63.0/24 origin: AS14453 descr: 209.251.63.0/24 admin-c: CIT3-ARIN tech-c: CIT3-ARIN notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200922 #23:43:16Z source: RADB last-modified: 2023-11-13T16:01:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2604:8600::/32 origin: AS14453 descr: CentriLogic Inc. (Canada Network) remarks: No part of this allocation is portable. notify: iptech [at] centrilogic.com mnt-by: MAINT-AS19693 changed: IPtech [at] centrilogic.com 20200124 #20:40:27Z source: RADB last-modified: 2023-11-13T15:59:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source