These entries are queried from radb.net using whois, you can try my project getting these.
:AS57718 route: 31.135.160.0/22 descr: INM2 origin: AS57718 mnt-by: DCENTER-MNT mnt-by: TJ16724-MNT created: 2012-02-07T14:38:15Z last-modified: 2012-02-07T14:38:15Z 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: 31.135.160.0/23 descr: INM 31.135.160.0/23 origin: AS57718 mnt-by: TJ16724-MNT created: 2015-02-12T21:17:22Z last-modified: 2015-02-12T21:17:22Z 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: 31.135.162.0/24 descr: INM 31.135.162.0/24 origin: AS57718 mnt-by: TJ16724-MNT created: 2015-02-12T21:16:30Z last-modified: 2015-02-12T21:16:30Z 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: 31.135.163.0/24 descr: INM 31.135.163.0/24 origin: AS57718 mnt-by: TJ16724-MNT created: 2015-02-12T21:16:44Z last-modified: 2015-02-12T21:16:44Z 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 route: 31.135.164.0/23 descr: INM2 origin: AS57718 mnt-by: DCENTER-MNT mnt-by: TJ16724-MNT created: 2012-02-07T14:40:51Z last-modified: 2012-02-07T14:40:51Z 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: 31.135.166.0/23 descr: INM2 origin: AS57718 mnt-by: DCENTER-MNT mnt-by: TJ16724-MNT created: 2012-02-07T14:41:36Z last-modified: 2012-02-07T14:41:36Z 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: 31.135.166.0/24 descr: INM2 origin: AS57718 mnt-by: TJ16724-MNT created: 2013-09-02T21:33:56Z last-modified: 2013-09-02T21:33:56Z 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: 31.135.167.0/24 descr: INM2 origin: AS57718 mnt-by: TJ16724-MNT created: 2013-09-02T21:39:10Z last-modified: 2013-09-02T21:39:10Z 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 route6: 2a10:f781:10:c38f::/64 origin: AS57718 descr: EPIX-LORA-INMGIZYCKO mnt-by: EPOLUDNIE-MNT mnt-by: EPOLUDNIE-MP-MNT mnt-lower: EPOLUDNIE-MNT mnt-lower: EPOLUDNIE-MP-MNT created: 2022-05-16T07:03:00Z last-modified: 2022-05-16T07:03:00Z 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