These entries are queried from radb.net using whois, you can try my project getting these.
:AS15160 route: 142.43.25.0/24 descr: NET-142-43-0-0-1 origin: AS15160 remarks: Proxy route on behalf of Bank of Montreal mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20210309 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.26.0/24 descr: NET-142-43-0-0-1 origin: AS15160 remarks: Proxy route on behalf of Bank of Montreal mnt-by: MAINT-AS852 notify: backbone [at] telus.com changed: abuse [at] telus.com 20210309 source: RADB last-modified: 2023-11-13T16:05:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.64.0/23 descr: Bank of Montreal origin: AS15160 remarks: Proxy route entry added on behalf of remarks: Bank of Montreal remarks: originating in AS15160 mnt-by: MAINT-AS852 changed: abuse [at] telus.com 20200924 source: RADB last-modified: 2023-11-13T16:01:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.64.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.65.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.75.0/24 descr: Prolexic Technologies, Inc. origin: AS15160 mnt-by: MAINT-AS32787 changed: fleandre [at] akamai.com 20201119 source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.94.0/24 origin: AS15160 descr: BMO remarks: Proxy entry added on behalf of BMO originating in AS15160 mnt-by: MAINT-AS852 changed: david.bovas [at] telus.com 20200701 #03:56:28Z source: RADB last-modified: 2023-11-13T16:01:10Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.221.0/24 descr: TELUS-142-43-221-0 origin: AS15160 remarks: Proxy route entry added on behalf of remarks: Bank of Montreal remarks: originating in AS15160 mnt-by: MAINT-AS852 changed: segundo.ng [at] telus.com 20090409 source: RADB last-modified: 2023-11-13T15:39:59Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.222.0/24 descr: NET-142-43-0-0-1 origin: AS15160 remarks: Proxy route on behalf of Bank of Montreal 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: 142.43.246.0/24 descr: NET-142-43-0-0-1 origin: AS15160 remarks: Proxy route on behalf of Bank of Montreal 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: 142.43.248.0/23 descr: TELUS-142-43-248-0 origin: AS15160 remarks: Proxy route entry added on behalf of remarks: Bank of Montreal remarks: originating in AS15160 mnt-by: MAINT-AS852 changed: segundo.ng [at] telus.com 20091031 source: RADB last-modified: 2023-11-13T15:40:22Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.248.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.249.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.251.0/24 descr: Proxy for Allstream Customer origin: AS15160 remarks: Automated Proxy Route Entry mnt-by: MAINT-AS15290 changed: ali.zerik [at] mtsallstream.com 20140114 source: RADB last-modified: 2023-11-13T16:00:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.252.0/23 descr: Proxy for Allstream Customer origin: AS15160 remarks: Automated Proxy Route Entry mnt-by: MAINT-AS15290 changed: ali.zerik [at] mtsallstream.com 20140108 source: RADB last-modified: 2023-11-13T16:00:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.252.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.253.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.43.255.0/24 descr: Proxy for Allstream Customer origin: AS15160 remarks: Automated Proxy Route Entry mnt-by: MAINT-AS15290 changed: pierre.lacoste [at] allstream.com 20151106 source: RADB last-modified: 2023-11-13T16:00:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.174.0/24 descr: Proxy for Allstream Customer origin: AS15160 remarks: Automated Proxy Route Entry mnt-by: MAINT-AS15290 changed: ali.zerik [at] mtsallstream.com 20141104 source: RADB last-modified: 2023-11-13T16:00:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.176.0/23 descr: Proxy for Allstream Customer origin: AS15160 remarks: Automated Proxy Route Entry mnt-by: MAINT-AS15290 changed: ali.zerik [at] mtsallstream.com 20140114 source: RADB last-modified: 2023-11-13T16:00:08Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.176.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.177.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.178.0/23 descr: TELUS-198-96-178-0 origin: AS15160 remarks: Proxy route entry added on behalf of remarks: Bank Of Montreal-BCC remarks: originating in AS15160 mnt-by: MAINT-AS852 changed: florin.dumitru [at] telus.com 20060509 source: RADB last-modified: 2023-11-13T15:39:37Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.178.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.96.179.0/24 origin: AS15160 descr: Akamai Technologies, Inc mnt-by: MAINT-AS32787 changed: ameyer [at] akamai.com 20201116 #00:09:14Z source: RADB last-modified: 2023-11-13T16:13:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source