These entries are queried from radb.net using whois, you can try my project getting these.
:AS13790 route: 63.251.176.0/20 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: erikm [at] internap.com 20000522 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.251.176.0/21 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.251.178.0/24 descr: PNAP-DEN ecomm origin: AS13790 mnt-by: MAINT-AS1828 changed: swhitson [at] internap.com 20000630 source: RADB last-modified: 2023-11-13T16:14:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.251.184.0/22 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.25.45.0/24 descr: PNAP-DEN routex origin: AS13790 mnt-by: MAINT-AS1828 changed: ibn [at] internap.com 20030711 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.25.46.0/24 descr: PNAP-DEN routex origin: AS13790 mnt-by: MAINT-AS1828 changed: ibn [at] internap.com 20030711 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.74.176.0/20 descr: PNAP-DEN DEN-BLOCK origin: AS13790 mnt-by: MAINT-AS1828 changed: dheidgerken [at] internap.com 20030702 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.74.180.0/22 origin: AS13790 descr: PNAP-DEN mnt-by: MAINT-AS1828 changed: netops [at] unitasglobal.com 20230913 #15:16:58Z source: RADB last-modified: 2023-11-13T16:18:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.74.184.0/21 origin: AS13790 descr: PNAP-DEN mnt-by: MAINT-AS1828 changed: netops [at] unitasglobal.com 20230913 #15:17:29Z source: RADB last-modified: 2023-11-13T16:18:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.94.96.0/24 descr: PNAP-DEN den geodns origin: AS13790 mnt-by: MAINT-AS1828 changed: rkosa [at] internap.com 20130703 source: RADB last-modified: 2023-11-13T16:14:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 65.38.160.0/19 descr: PNAP-DEN data393 origin: AS13790 mnt-by: MAINT-AS1828 changed: dchase [at] internap.com 20060315 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.151.160.0/22 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.151.168.0/21 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.17.116.0/23 descr: PNAP-DEN PNAP-DEN Speakeasy origin: AS13790 mnt-by: MAINT-AS1828 changed: ngibson [at] internap.com 20030906 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.25.81.0/24 descr: PNAP-DEN den geodns origin: AS13790 mnt-by: MAINT-AS1828 changed: rkosa [at] internap.com 20130703 source: RADB last-modified: 2023-11-13T16:14:33Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.25.208.0/22 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.25.216.0/21 descr: PNAP-DEN=20 origin: AS13790 mnt-by: MAINT-AS1828 source: RADB changed: marcus.josephson [at] unitasglobal.com 20230828 last-modified: 2023-11-13T16:18:19Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.25.220.0/22 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.5.100.0/22 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.5.104.0/21 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: marcus.josephson [at] unitasglobal.com 20230811 source: RADB last-modified: 2023-11-13T16:18:12Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 162.248.90.0/24 descr: PNAP-DEN Nuclearfallout Route origin: AS13790 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20140105 source: RADB last-modified: 2023-11-13T16:14:34Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.26.130.0/24 descr: PNAP-DEN appliedsystems-routes origin: AS13790 mnt-by: MAINT-AS1828 changed: bseibert [at] internap.com 20140709 source: RADB last-modified: 2023-11-13T16:14:35Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.87.208.0/21 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: eirwin [at] internap.com 20111105 source: RADB last-modified: 2023-11-13T16:14:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.201.236.0/24 descr: PNAP-DEN AEI origin: AS13790 mnt-by: MAINT-AS1828 changed: bosa [at] internap.com 20010725 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.144.128.0/17 descr: PNAP-DEN coop route origin: AS13790 mnt-by: MAINT-AS1828 changed: sleibrand [at] internap.com 20050718 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.153.138.0/24 descr: PNAP-DEN threefive-1 DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: cwoodfield [at] internap.com 20020913 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.174.200.0/24 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 changed: colsheski [at] internap.com 20071128 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: 208.72.64.0/21 descr: PNAP-DEN glenwood origin: AS13790 mnt-by: MAINT-AS1828 changed: dmbogo [at] internap.com 20061110 source: RADB last-modified: 2023-11-13T16:13:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 215.52.40.0/22 origin: AS13790 descr: PNAP-DEN mnt-by: MAINT-AS1828 changed: netops [at] unitasglobal.com 20230825 #16:57:09Z source: RADB last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.52.39.0/24 descr: PNAP-DEN Internap Test Net origin: AS13790 mnt-by: MAINT-AS1828 changed: jmuggli [at] internap.com 20021127 source: RADB last-modified: 2023-11-13T16:13:53Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.52.40.0/22 descr: PNAP-DEN origin: AS13790 mnt-by: MAINT-AS1828 source: RADB changed: marcus.josephson [at] unitasglobal.com 20230828 last-modified: 2023-11-13T16:18:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.52.41.192/26 descr: PNAP-DEN internap-utla-gw origin: AS13790 mnt-by: MAINT-AS1828 changed: vwhitsett [at] internap.com 20010627 source: RADB last-modified: 2023-11-13T16:13:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2600:c14::/32 descr: PNAP-DEN IPv6 aggregate origin: AS13790 mnt-by: MAINT-AS1828 changed: sleibrand [at] internap.com 20100902 source: RADB last-modified: 2023-11-13T16:14:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2607:9600::/32 descr: PNAP-DEN STCOMM origin: AS13790 mnt-by: MAINT-AS1828 changed: bholden [at] internap.com 20161207 source: RADB last-modified: 2023-11-13T16:14:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source