These entries are queried from radb.net using whois, you can try my project getting these.
:AS17206 route: 63.228.212.0/24 descr: Mountain America C.U. origin: AS17206 notify: bsanchez [at] expresstel.com mnt-by: TRANSTEL1-MNT changed: bsanchez [at] expresstel.com 20010105 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.228.212.0/24 descr: Integra Telecom Route Object origin: AS17206 remarks: Integra Telecom Customer remarks: contacts per RFC2142: remarks: Abuse / UCE report abuse [at] integratelecom.com remarks: SWIP Issues ipadmin [at] integratelecom.com notify: bgp [at] integra.net mnt-by: MAINT-AS7385 changed: steven.raymond [at] integratelecom.com 20070302 source: RADB last-modified: 2023-11-13T16:11:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.159.98.0/24 descr: Integra Telecom Route Object origin: AS17206 remarks: Integra Telecom Customer remarks: contacts per RFC2142: remarks: Abuse / UCE report abuse [at] integratelecom.com remarks: SWIP Issues ipadmin [at] integratelecom.com notify: bgp [at] integra.net mnt-by: MAINT-AS7385 changed: harshil.jhaveri [at] integratelecom.com 20130131 source: RADB last-modified: 2023-11-13T16:11:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.159.99.0/24 descr: Integra Telecom Route Object origin: AS17206 remarks: Integra Telecom Customer remarks: contacts per RFC2142: remarks: Abuse / UCE report abuse [at] integratelecom.com remarks: SWIP Issues ipadmin [at] integratelecom.com notify: bgp [at] integra.net mnt-by: MAINT-AS7385 changed: harshil.jhaveri [at] integratelecom.com 20130131 source: RADB last-modified: 2023-11-13T16:11:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.21.202.0/24 descr: Integra Telecom Route Object origin: AS17206 remarks: Integra Telecom Customer remarks: contacts per RFC2142: remarks: Abuse / UCE report abuse [at] integratelecom.com remarks: SWIP Issues ipadmin [at] integratelecom.com notify: bgp [at] integra.net mnt-by: MAINT-AS7385 changed: harshil.jhaveri [at] integratelecom.com 20130131 source: RADB last-modified: 2023-11-13T16:11:45Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source