These entries are queried from radb.net using whois, you can try my project getting these.
:AS30300 route: 8.15.240.0/24 descr: PNAP-WDC002 icommerce-1 origin: AS30300 mnt-by: MAINT-AS1828 changed: dchase [at] internap.com 20070205 source: RADB last-modified: 2023-11-13T16:13:57Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 8.15.240.0/24 descr: i4Commerce network origin: AS30300 mnt-by: GOPIN-MNT changed: joel.coppinger [at] i4commerce.com 20070509 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.210.24.0/24 descr: I4 Commerce,Inc. 9690 Deereco rd Suite 705 Timonium,MD-21093 origin: AS30300 notify: dave.hogan [at] i4commerce.com mnt-by: I4COM-MNT changed: dave.hogan [at] i4commerce.com 20030926 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.210.24.0/24 descr: PNAP-WDC002 icommerce origin: AS30300 mnt-by: MAINT-AS1828 changed: twomack [at] internap.com 20040512 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.140.0/22 descr: 2269377 origin: AS30300 mnt-by: GOPIN-MNT changed: wade.smith [at] level3.com 20071217 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.140.0/22 descr: PNAP-WDC002 ICOMMERCE origin: AS30300 mnt-by: MAINT-AS1828 changed: dmbogo [at] internap.com 20071213 source: RADB last-modified: 2023-11-13T16:14:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.140.0/23 descr: BML-1 origin: AS30300 mnt-by: MAINT-BML changed: justin.sellers [at] billmelater.com 20090611 #14:57:16Z source: RADB last-modified: 2023-11-13T15:40:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.140.0/24 descr: BML-P origin: AS30300 mnt-by: MAINT-BML changed: justin.sellers [at] billmelater.com 20101019 #18:25:16Z source: RADB last-modified: 2023-11-13T15:41:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.141.0/24 descr: BML-QA origin: AS30300 mnt-by: MAINT-BML changed: justin.sellers [at] billmelater.com 20110107 #15:06:46Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.142.0/23 descr: BML-2 origin: AS30300 mnt-by: MAINT-BML changed: justin.sellers [at] billmelater.com 20090611 #14:58:19Z source: RADB last-modified: 2023-11-13T15:40:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.142.0/24 descr: BML-2 origin: AS30300 mnt-by: MAINT-BML changed: justin.sellers [at] billmelater.com 20160330 #01:15:08Z source: RADB last-modified: 2023-11-13T15:49:05Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.76.143.0/24 descr: BML-P origin: AS30300 mnt-by: MAINT-BML changed: justin.sellers [at] billmelater.com 20110607 #17:38:25Z source: RADB last-modified: 2023-11-13T15:41:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source