These entries are queried from radb.net using whois, you can try my project getting these.
:AS53488 route: 24.49.182.0/24 descr: case 4138412 origin: AS53488 mnt-by: MBB-MNT changed: amanda.green [at] level3.com 20100707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.49.183.0/24 descr: Case 4212433 origin: AS53488 mnt-by: MBB-MNT changed: amanda.green [at] level3.com 20100707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.75.112.0/20 descr: New route for AS53488 origin: AS53488 mnt-by: MBB-MNT changed: chris.rose [at] level3.com 20120608 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.213.126.0/24 descr: New route for AS53488 origin: AS53488 mnt-by: MBB-MNT changed: chris.rose [at] level3.com 20120502 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.213.127.0/24 descr: new prefix for WHOLESALE CARRIER SERVICES, INC origin: AS53488 mnt-by: MBB-MNT changed: matt.quinones [at] level3.com 20120530 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.223.85.0/24 descr: customer route origin: AS53488 mnt-by: MBB-MNT changed: dallas.kio [at] level3.com 20110629 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 24.246.128.0/18 descr: case 4138412 origin: AS53488 mnt-by: MBB-MNT changed: barry.wahrmann [at] level3.com 20100602 source: LEVEL3 rpki-ov-state: valid route: 63.143.128.0/17 origin: AS53488 descr: 111 New South Rd Hicksville NY 11801 United States admin-c: OPTIM-ARIN tech-c: OPTIM-ARIN mnt-by: MNT-CHL-54 created: 2024-03-05T09:35:44Z last-modified: 2024-03-05T09:35:44Z source: ARIN rpki-ov-state: valid route: 64.127.208.0/20 origin: AS53488 descr: Proxy-registered route object for Morris Broadband mnt-by: MAINT-AS2711 changed: kevin.houck [at] segra.com 20220217 #21:21:04Z source: RADB last-modified: 2023-11-13T16:09:24Z rpki-ov-state: valid route: 64.139.228.0/24 descr: Case 4212433 origin: AS53488 mnt-by: MBB-MNT changed: amanda.green [at] level3.com 20100707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.234.19.0/24 descr: Case 4212433 origin: AS53488 mnt-by: MBB-MNT changed: amanda.green [at] level3.com 20100707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.234.69.0/24 descr: Case 4212433 origin: AS53488 mnt-by: MBB-MNT changed: amanda.green [at] level3.com 20100707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.59.93.0/24 descr: Case 4212433 origin: AS53488 mnt-by: MBB-MNT changed: amanda.green [at] level3.com 20100707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 143.55.154.0/24 origin: AS53488 descr: Henderson County 1 Historic Courthouse Square Hendersonville NC 28792 United States admin-c: ARINA271-ARIN tech-c: ARINT73-ARIN mnt-by: MNT-HCNC-2 created: 2023-10-05T13:22:54Z last-modified: 2023-10-05T13:22:54Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 173.246.192.0/19 descr: Tkt 4212433 origin: AS53488 mnt-by: MBB-MNT changed: amanda.green [at] level3.com 20100707 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.185.218.0/23 descr: Proxy-registered route object origin: AS53488 mnt-by: MAINT-AS2711 changed: james.polson [at] spiritcom.com 20150831 #20:41:44Z source: RADB last-modified: 2023-11-13T15:48:08Z rpki-ov-state: valid route: 205.236.71.0/24 descr: Proxy-registered route object origin: AS53488 mnt-by: MAINT-AS2711 changed: james.polson [at] spiritcom.com 20150925 #14:26:32Z source: RADB last-modified: 2023-11-13T15:48:09Z rpki-ov-state: valid route: 216.116.224.0/19 origin: AS53488 descr: Proxy for Morris Broadband, LLC mnt-by: MAINT-AS2711 changed: kevin.billings [at] spiritcom.com 20190320 #13:19:03Z source: RADB last-modified: 2023-11-13T15:55:45Z rpki-ov-state: valid route6: 2607:ce00::/32 descr: customer route origin: AS53488 mnt-by: MBB-MNT changed: Jaydeep.thakker [at] level3.com 20120907 source: LEVEL3 rpki-ov-state: valid