These entries are queried from radb.net using whois, you can try my project getting these.
:AS27506 route: 12.144.49.0/24 descr: Sidera-Cust-Align origin: AS27506 mnt-by: MAINT-AS27506 changed: ronald.wilson [at] sidera.net 20120225 #16:16:58Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.111.184.0/23 descr: CEC-CUST-CURRENEX-NET1 origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20070504 #21:15:51(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.20.160.0/19 descr: CEC Network origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20050822 #17:04:58(UTC) changed: bgp [at] electricfiber.com 20061009 #20:16:24(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.20.160.0/20 descr: CEC Network origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20050822 #17:04:58(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.20.166.0/24 descr: CEC-Copper_Beech origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] conedcom.com 20051211 #19:17:54(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.20.176.0/20 descr: CEC Network origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20061010 #18:29:51(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.210.171.0/24 descr: CEC-CUST-CURRENEX-NET2 origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20070504 #21:17:58(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.207.47.0/24 descr: PNAP-NYC coned-1 origin: AS27506 mnt-by: MAINT-AS1828 changed: sduxbury [at] internap.com 20031001 source: RADB last-modified: 2023-11-13T16:13:54Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.208.168.0/23 descr: Sidera - NYC origin: AS27506 mnt-by: MAINT-AS27506 changed: Ronald.Wilson [at] rcnmetro.com 20110302 #22:23:10Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 67.208.175.0/24 descr: RCN Metro Anycast DNS IP origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20080624 #19:24:13Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.54.76.0/24 descr: CEC Net LMC-1 origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] conedcom.com 20041202 #20:22:43(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.54.77.0/24 descr: CEC Net LMC-2 origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] conedcom.com 20041202 #20:24:18(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.64.192.0/19 descr: CEC Network origin: AS27506 remarks: Network For Con Ed Communications notify: bgp [at] electricfiber.com mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20031208 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.64.192.0/20 descr: ConED Comunications Network origin: AS27506 remarks: Network For Con Ed Communications notify: bgp [at] electricfiber.com mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20030804 source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.64.194.0/24 descr: 1025 CONNECT LLC origin: AS27506 mnt-by: MAINT-AS27506 changed: mahmed [at] lightower.com 20141123 source: RADB last-modified: 2023-11-13T15:47:00Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.64.196.0/24 descr: CEC-NET-INTERNAL-2 origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20040708 #20:55:46(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 69.64.208.0/24 descr: CEC-NET-INTERNAL-1 origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20040708 #20:54:56(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 76.8.64.0/20 descr: CEC Network origin: AS27506 remarks: RCN Business Solutions Network notify: bgp [at] electricfiber.com mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20070314 #14:01:13(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 142.131.182.0/23 descr: PLAZA HOTEL origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20080225 #19:07:50(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.155.216.0/21 descr: proxy object for ConED Comunications Network (AS27506) origin: AS27506 remarks: Network For Con Ed Communications notify: bgp [at] electricfiber.com mnt-by: MAINT-NTTCOM-RA changed: boudreat [at] eng.verio.net 20070413 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 165.155.224.0/21 descr: proxy object for ConED Comunications Network (AS27506) origin: AS27506 remarks: Network For Con Ed Communications notify: bgp [at] electricfiber.com mnt-by: MAINT-NTTCOM-RA changed: boudreat [at] eng.verio.net 20070413 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.28.254.0/24 descr: RCN-CUSTOMER - MTA origin: AS27506 mnt-by: MAINT-AS27506 changed: dataoperations [at] sidera.net 20130128 #20:15:13Z source: RADB last-modified: 2023-11-13T15:44:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 170.28.255.0/24 descr: RCN CUSTOMER - MTA origin: AS27506 mnt-by: MAINT-AS27506 changed: dataoperations [at] sidera.net 20130128 #20:16:33Z source: RADB last-modified: 2023-11-13T15:44:49Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.5.106.0/24 descr: BITSTREAM origin: AS27506 mnt-by: MAINT-AS33748 changed: ndiliegro [at] dscicorp.com 20131105 #16:03:41Z source: RADB last-modified: 2023-11-13T15:56:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.160.103.0/24 descr: JEOL origin: AS27506 mnt-by: MAINT-AS33748 changed: ndiliegro [at] dscicorp.com 20131105 #16:00:56Z source: RADB last-modified: 2023-11-13T15:56:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.15.8.0/24 descr: CEC-NET1-TIGERHEDGE_CUST origin: AS27506 remarks: Tiger Hedge Fund network 1 notify: bgp [at] electricfiber.com mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20031020 changed: bgp [at] electricfiber.com 20041122 #23:05:00(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.15.9.0/24 descr: CEC-NET2-TIGERHEDGE_CUST origin: AS27506 remarks: Tiger Hedge Fund network 2 notify: bgp [at] electricfiber.com mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20031020 changed: bgp [at] electricfiber.com 20041122 #23:05:55(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 199.79.170.0/23 descr: SUNY Purchase IPs origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.net 20080523 #12:31:28Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 204.16.180.0/22 descr: CEC-CUST-CURRENEX-NET3 origin: AS27506 mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20070504 #21:19:35(UTC) source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.41.208.0/20 descr: BITWISE origin: AS27506 mnt-by: MAINT-AS33748 changed: ndiliegro [at] dscicorp.com 20131105 #16:09:57Z source: RADB last-modified: 2023-11-13T15:56:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 208.29.160.0/23 descr: BITWISE origin: AS27506 mnt-by: MAINT-AS33748 changed: ndiliegro [at] dscicorp.com 20131105 #16:31:31Z source: RADB last-modified: 2023-11-13T15:56:26Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 209.148.32.0/19 descr: RCN Metro Optical Networks 209.148.32.0/19 Supernet origin: AS27506 remarks: Network for RCN Metro Optical Network Customers notify: bgp [at] electricfiber.com mnt-by: MAINT-AS27506 changed: bgp [at] electricfiber.com 20080403 #01:08:13Z source: RADB last-modified: 2023-11-13T15:42:43Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source