These entries are queried from radb.net using whois, you can try my project getting these.
:AS14829 route: 74.113.232.0/21 descr: Spectrum Networks customer origin: AS14829 mnt-by: MAINT-AS11404 changed: john [at] vanoppen.com 20090529 #23:04:37Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.232.0/21 descr: Mindspark Interactive Network, Inc. origin: AS14829 mnt-by: MNT-IWONCO changed: andrew.nusbaum [at] mindspark.com 20090915 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.232.0/23 descr: Mindspark Interactive Network, Inc. origin: AS14829 mnt-by: MNT-IWONCO changed: andrew.nusbaum [at] mindspark.com 20090915 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.234.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20110210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.235.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20120710 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.236.0/23 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20121221 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.238.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 mnt-by: MNT-IWONCO changed: christopher.greves [at] mindspark.com 20110419 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 74.113.239.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 mnt-by: MNT-IWONCO changed: andrew.nusbaum [at] mindspark.com 20090915 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.184.0/21 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.184.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.185.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.186.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.187.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.188.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.189.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.190.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.198.191.0/24 descr: Mindspark Interactive Network, Inc. origin: AS14829 notify: networkservices [at] mindspark.com mnt-lower: MNT-IWONCO mnt-by: MNT-IWONCO changed: networkservices [at] mindspark.com 20140716 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.36.100.0/24 descr: APN, LLC origin: AS14829 notify: networkservices [at] apn.ask.com mnt-lower: MNT-AL-93 mnt-by: MNT-AL-93 changed: networkservices [at] apn.ask.com 20120210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.36.101.0/24 descr: APN, LLC origin: AS14829 notify: networkservices [at] apn.ask.com mnt-lower: MNT-AL-93 mnt-by: MNT-AL-93 changed: networkservices [at] apn.ask.com 20120210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.36.102.0/24 descr: APN, LLC origin: AS14829 notify: networkservices [at] apn.ask.com mnt-lower: MNT-AL-93 mnt-by: MNT-AL-93 changed: networkservices [at] apn.ask.com 20120210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.36.103.0/24 descr: APN, LLC origin: AS14829 notify: networkservices [at] apn.ask.com mnt-lower: MNT-AL-93 mnt-by: MNT-AL-93 changed: networkservices [at] apn.ask.com 20120210 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source