These entries are queried from radb.net using whois, you can try my project getting these.
:AS63407 route: 170.203.48.0/21 origin: AS63407 descr: AS63407 mnt-by: MAINT-AS15164 changed: sreenivas.gajula [at] upnfiber.com 20220108 #17:57:09Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.203.48.0/21 origin: AS63407 descr: Terracon Consultants, Inc. member-of: AS63407:RS-TSVC admin-c: POCAD13-ARIN tech-c: HUGHE522-ARIN tech-c: POCAD13-ARIN tech-c: POCTE6-ARIN mnt-by: MNT-TC-556 created: 2021-12-30T20:31:35Z last-modified: 2022-10-04T21:26:35Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.203.48.0/23 origin: AS63407 descr: AS63407 mnt-by: MAINT-AS15164 changed: sreenivas.gajula [at] upnfiber.com 20220108 #17:58:04Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.203.48.0/24 origin: AS63407 descr: AS63407 mnt-by: MAINT-AS15164 changed: sreenivas.gajula [at] upnfiber.com 20220108 #17:58:35Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.203.49.0/24 origin: AS63407 descr: AS63407 mnt-by: MAINT-AS15164 changed: sreenivas.gajula [at] upnfiber.com 20220108 #17:58:58Z source: RADB last-modified: 2023-11-13T16:09:07Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.203.52.0/24 origin: AS63407 descr: Dallas Regional Data Center route set. 10841 S Ridgeview Rd Olathe KS 66061 United States member-of: AS63407:RS-DAL admin-c: POCAD13-ARIN tech-c: HUGHE522-ARIN tech-c: POCAD13-ARIN tech-c: POCTE6-ARIN mnt-by: MNT-TC-556 created: 2022-08-08T17:41:32Z last-modified: 2022-08-08T17:41:32Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.88.155.0/24 origin: AS63407 descr: 10841 S Ridgeview Rd Olathe KS 66061 United States member-of: AS63407:RS-TSVC admin-c: POCAD13-ARIN tech-c: HUGHE522-ARIN tech-c: POCAD13-ARIN tech-c: POCTE6-ARIN mnt-by: MNT-TC-556 created: 2021-04-06T20:59:52Z last-modified: 2022-10-04T21:25:27Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.88.155.0/24 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS63407 remarks: Proxy add for EDIA customer TERRA-IPV4 mnt-by: MAINT-AS7922 changed: marcin_kostecki [at] comcast.com 20210519 source: RADB last-modified: 2023-11-13T16:05:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.87.162.0/24 origin: AS63407 descr: 10841 S Ridgeview Rd Olathe KS 66061 United States member-of: AS63407:RS-TSVC admin-c: POCAD13-ARIN tech-c: HUGHE522-ARIN tech-c: POCAD13-ARIN tech-c: POCTE6-ARIN mnt-by: MNT-TC-556 created: 2022-10-04T21:24:41Z last-modified: 2022-10-04T21:24:41Z source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.87.162.0/24 origin: AS63407 descr: Terracon Consultants, Inc. mnt-by: MAINT-AS15164 changed: jeremy.finn [at] upnfiber.com 20200623 #22:08:29Z source: RADB last-modified: 2023-11-13T16:01:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source