These entries are queried from radb.net using whois, you can try my project getting these.
:AS148987 route: 154.19.131.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.19.137.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.19.145.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.19.148.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.19.149.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.19.152.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.19.154.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 154.19.155.0/24 origin: AS148987 descr: Route Registered for Cogent Communications Customer - E&H TECHNOLOGY CO., LTD. geoidx: HK mnt-by: MAINT-AS174 changed: neteng [at] cogentco.com 20220830 source: RADB last-modified: 2023-11-13T16:12:25Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source