These entries are queried from radb.net using whois, you can try my project getting these.
:AS23479 route: 12.39.3.0/24 descr: US Signal Customer route. origin: AS23479 mnt-by: I123-MNT changed: rpd [at] 123.net 20030502 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.39.3.0/24 descr: PNAP-CHG ussignal routes origin: AS23479 mnt-by: MAINT-AS1828 changed: swhitson [at] internap.com 20030502 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: 12.106.136.0/23 descr: PNAP-CHG ussignal routes origin: AS23479 mnt-by: MAINT-AS1828 changed: scottl [at] internap.com 20030619 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: 12.106.136.0/24 descr: US Signal Customer route. origin: AS23479 mnt-by: I123-MNT changed: rpd [at] 123.net 20030502 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.106.136.0/24 descr: PNAP-CHG ussignal routes origin: AS23479 mnt-by: MAINT-AS1828 changed: swhitson [at] internap.com 20030502 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: 12.156.40.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS23479 remarks: Proxy object for EDIA customer Technology Specialist mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospamhere.cable.comcast.com 20110817 source: RADB last-modified: 2023-11-13T15:54:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.156.40.0/22 descr: Technology Specialists origin: AS23479 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20100909 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.162.48.0/23 descr: US Signal Customer route. origin: AS23479 mnt-by: I123-MNT changed: rpd [at] 123.net 20030502 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.162.48.0/23 descr: PNAP-CHG ussignal routes origin: AS23479 mnt-by: MAINT-AS1828 changed: swhitson [at] internap.com 20030502 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: 64.186.56.0/24 descr: Proxy-registered route object origin: AS23479 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact dl-routing [at] lumen.com if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20030701 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.59.18.0/23 descr: Technology Specialists origin: AS23479 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20100909 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.59.18.0/23 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS23479 remarks: Proxy object for EDIA customer Technology Specialist mnt-by: MAINT-AS7922 changed: courtney_smith [at] nospamhere.cable.comcast.com 20110817 source: RADB last-modified: 2023-11-13T15:54:09Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.76.192.0/21 descr: PNAP-CHG ussignal origin: AS23479 mnt-by: MAINT-AS1828 changed: twomack [at] internap.com 20030602 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: 198.76.192.0/21 descr: US Signal Customer route. origin: AS23479 mnt-by: I123-MNT changed: rpd [at] 123.net 20030609 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.77.222.0/23 descr: US Signal Customer route. origin: AS23479 mnt-by: I123-MNT changed: rpd [at] 123.net 20030502 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.38.96.0/20 descr: Technology Specialists origin: AS23479 mnt-by: CTI-MNT changed: ccs_ip-admin [at] cable.comcast.com 20100909 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 216.38.96.0/20 descr: PNAP-CHG ussignal route origin: AS23479 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20060706 source: RADB last-modified: 2023-11-13T16:13:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source