These entries are queried from radb.net using whois, you can try my project getting these.
:AS51944 route: 91.227.103.0/24 descr: PROMEDIA-IPV origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2017-01-31T20:00:48Z last-modified: 2017-01-31T20:00:48Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 91.227.104.0/22 descr: PROMEDIA-IPV origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2011-05-10T12:37:10Z last-modified: 2011-05-10T12:37:10Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.123.48.0/22 descr: PROMEDIA-IPV origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2015-10-26T13:43:05Z last-modified: 2015-10-26T13:43:05Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.235.34.0/24 origin: AS51944 mnt-by: PROMEDIA-IPV-MNT mnt-by: PROMEDIA-IPV-MNT created: 2022-04-04T10:15:11Z last-modified: 2022-04-04T10:15:11Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.151.48.0/22 descr: PROMEDIA-IPV origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2011-01-05T12:17:50Z last-modified: 2011-01-05T12:17:50Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.203.22.0/24 origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2020-11-08T23:23:00Z last-modified: 2020-11-08T23:23:00Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.203.224.0/24 descr: PROMEDIA-IPV origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2020-04-01T19:28:48Z last-modified: 2020-04-01T19:28:48Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 193.218.7.0/24 origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2020-11-08T23:22:24Z last-modified: 2020-11-08T23:22:24Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:67c:21e8::/48 descr: PROMEDIA-IPV6 origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2011-04-19T14:09:05Z last-modified: 2011-04-19T14:09:05Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a02:e30:f007::/48 descr: PROMEDIA-IPV6 origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2012-10-06T14:32:05Z last-modified: 2012-10-06T14:32:05Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a06:aa40::/29 descr: PROMEDIA-IPV6 origin: AS51944 mnt-by: PROMEDIA-IPV-MNT created: 2015-10-26T13:45:45Z last-modified: 2015-10-26T13:45:45Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a10:f781:10:9d6d::/64 origin: AS51944 descr: EPIX-LORA-PROMEDIA mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-26T06:24:44Z last-modified: 2022-05-26T06:24:44Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source