These entries are queried from radb.net using whois, you can try my project getting these.
:AS62512 route: 162.252.204.0/22 descr: Sandwich.Net, LLC origin: AS62512 notify: hostmaster [at] sandwich.net mnt-by: JR78489-MNT mnt-lower: JR78489-MNT mnt-routes: JR78489-MNT created: 2014-02-05T03:17:35Z last-modified: 2018-09-04T17:50:58Z source: RIPE-NONAUTH org: ORG-SN210-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: valid route: 162.252.204.0/22 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2022-01-04T01:45:35Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid route: 162.252.204.0/24 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2022-01-04T02:01:18Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid route: 162.252.205.0/24 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2022-01-04T02:01:42Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid route: 162.252.206.0/24 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2021-03-04T07:15:59Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid route: 162.252.207.0/24 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2022-01-04T02:02:09Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid route6: 2602:ff3a::/36 origin: AS62512 mnt-by: JR78489-MNT created: 2016-07-06T18:10:57Z last-modified: 2018-09-04T19:45:01Z source: RIPE-NONAUTH descr: Sandwich.Net, LLC mnt-lower: JR78489-MNT mnt-routes: JR78489-MNT notify: hostmaster [at] sandwich.net org: ORG-SN210-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: valid route6: 2602:ff3a::/36 descr: Atlantic Metro Communications 4 Century Drive Suite 102 Parsippany, NJ 07054 USA origin: AS62512 mnt-by: MAINT-AS29838 changed: irr [at] atlanticmetro.net 20160707 source: ALTDB rpki-ov-state: valid route6: 2602:ff3a::/36 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2022-01-04T01:44:42Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid route6: 2602:ff3a::/36 descr: sandwich.net origin: AS62512 mnt-by: MAINT-AS6315 changed: pashdown [at] xmission.com 20160706 #16:18:54Z source: RADB last-modified: 2023-11-13T15:49:34Z rpki-ov-state: valid route6: 2602:ff3a:1::/48 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2022-01-04T02:02:36Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid route6: 2602:ff3a:2::/48 origin: AS62512 descr: Sandwich Internet Corp. PO Box 28049, RPO Westshore Victoria, BC V9B 2K8 CA member-of: AS62512:RS-ALL admin-c: RENKE-ARIN tech-c: RENKE-ARIN mnt-by: MNT-SIC-213 created: 2021-03-04T07:19:34Z last-modified: 2023-01-11T19:42:58Z source: ARIN rpki-ov-state: valid