These entries are queried from radb.net using whois, you can try my project getting these.
:AS19518 route: 23.128.136.0/24 descr: ROCKISLAND-46-1 origin: AS19518 remarks: Technical Issues noc [at] rockisland.com remarks: Abuse noc [at] rockisland.com notify: netops [at] rockisland.com mnt-by: MNT-INL-46 changed: cpal [at] rockisland.com 20211116 source: ARIN rpki-ov-state: valid route: 64.119.0.0/20 descr: ROCKISLAND-NET-64 origin: AS19518 remarks: Technical Issues noc [at] rockisland.com remarks: Abuse noc [at] rockisland.com notify: netops [at] rockisland.com mnt-by: MNT-INL-46 changed: cpal [at] rockisland.com 20180501 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.119.0.0/20 descr: PNAP-SEA ASN-ROCKISLAND origin: AS19518 mnt-by: MAINT-AS1828 changed: scottl [at] internap.com 20020528 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: 198.163.74.0/24 descr: GADALLAH-NET-1-1 origin: AS19518 remarks: Technical Issues lgadallah [at] gmail.com remarks: Abuse lgadallah [at] gmail.com notify: lgadallah [at] gmail.com mnt-by: MAINT-LG24-ARIN changed: lgadallah [at] gmail.com 20211106 source: ALTDB rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.32.160.0/20 descr: ROCKISLAND-NET-207 origin: AS19518 remarks: Technical Issues noc [at] rockisland.com remarks: Abuse noc [at] rockisland.com notify: netops [at] rockisland.com mnt-by: MNT-INL-46 changed: cpal [at] rockisland.com 20180501 source: ARIN rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.32.160.0/20 descr: PNAP-SEA Rockisland Route origin: AS19518 mnt-by: MAINT-AS1828 changed: rrudd [at] internap.com 20080130 source: RADB last-modified: 2023-11-13T16:14:13Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2605:1500::/32 descr: RIC-NET-V6 origin: AS19518 remarks: Technical Issues noc [at] rockisland.com remarks: Abuse noc [at] rockisland.com notify: netops [at] rockisland.com mnt-by: MNT-INL-46 changed: cpal [at] rockisland.com 20180520 source: ARIN rpki-ov-state: valid