These entries are queried from radb.net using whois, you can try my project getting these.
:AS28506 route: 148.243.37.0/24 descr: LACNIC generated route for Axtel, S.A.B. de C.V. origin: AS28506 remarks: LACNIC generated route for Axtel, S.A.B. de C.V. remarks: maxLength 24 mnt-by: MNT-MX-ASCV9-LACNIC changed: 20240305 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-05T19:15:05Z rpki-ov-state: valid route: 148.245.248.0/24 descr: auto-generated route object for 148.245.248.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20140304 #22:24:15Z source: RADB last-modified: 2023-11-13T15:46:16Z rpki-ov-state: valid route: 148.245.248.0/24 descr: LACNIC generated route for Axtel, S.A.B. de C.V. origin: AS28506 remarks: LACNIC generated route for Axtel, S.A.B. de C.V. remarks: maxLength 24 mnt-by: MNT-MX-ASCV9-LACNIC changed: 20240305 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2024-03-05T19:15:05Z rpki-ov-state: valid route: 187.176.185.0/24 descr: auto-generated route object for 187.176.185.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20160328 #16:06:09Z source: RADB last-modified: 2023-11-13T15:48:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.34.66.0/24 descr: auto-generated route object for 200.34.66.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141030 #04:06:01Z source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.34.141.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: drestrepo [at] columbus-networks.com 20130702 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.78.138.0/24 descr: auto-generated route object for 200.78.138.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141030 #04:06:50Z source: RADB last-modified: 2023-11-13T15:46:44Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 200.78.168.0/24 descr: PNAP-MIA asurnet-routes origin: AS28506 mnt-by: MAINT-AS1828 changed: mbuschmann [at] internap.com 20050426 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.74.0/24 descr: PNAP-MIA asurnet-routes origin: AS28506 mnt-by: MAINT-AS1828 changed: mbuschmann [at] internap.com 20050426 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.252.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20130117 source: RADB last-modified: 2023-11-13T15:55:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.252.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20181212 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.253.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20181212 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.139.255.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: respinosa [at] columbus-networks.com 20140415 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.0.0/14 descr: Proxy-registered route object origin: AS28506 remarks: This route object is for a BtN customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some BtN peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact peering [at] cais.net if you have any remarks: questions regarding this object. mnt-by: MAINT-AS3491 changed: sajwani [at] pccwbtn.com 20081120 source: RADB last-modified: 2023-11-13T15:42:39Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.180.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20181212 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.181.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20181212 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.182.0/24 descr: auto-generated route object for 201.140.182.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.183.0/24 descr: auto-generated route object for 201.140.183.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.184.0/24 descr: auto-generated route object for 201.140.184.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.185.0/24 descr: auto-generated route object for 201.140.185.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.186.0/24 descr: auto-generated route object for 201.140.186.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.187.0/24 descr: auto-generated route object for 201.140.187.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.188.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS28506 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20181212 source: RADB last-modified: 2023-11-13T15:56:02Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.189.0/24 descr: auto-generated route object for 201.140.189.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 201.140.190.0/24 descr: auto-generated route object for 201.140.190.0/24 origin: AS28506 mnt-by: MAINT-AS11172 changed: om_core [at] alestra.com.mx 20141031 #23:40:36Z source: RADB last-modified: 2023-11-13T15:46:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source