These entries are queried from radb.net using whois, you can try my project getting these.
:AS16559 route: 63.210.48.0/21 descr: RealConnect-block-02 origin: AS16559 mnt-by: REALCONNECT-MNT changed: daniel [at] realconnect.com 20020514 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.210.48.0/21 origin: AS16559 descr: Reassignment from Level(3) to RealConnect member-of: AS16559:RS-REALCONNECT aggr-bndry: AS3356 or AS6461 or AS6939 aggr-mtd: outbound AS-ANY components: {63.210.48.0/21^-} admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: All routers will be announce as aggregate to all ASes unless needed and requested by customers where exceptions will be done to Transit only where communities can allow the customers to engineer their traffic. But in no cases, will we announced longer then /24. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20231009 #16:12:36Z source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.210.63.0/24 descr: RealConnect-block-03 origin: AS16559 mnt-by: REALCONNECT-MNT changed: daniel [at] realconnect.com 20020514 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.210.63.0/24 origin: AS16559 descr: Reassignment from Level(3) to RealConnect member-of: AS16559:RS-REALCONNECT aggr-bndry: AS3356 or AS6461 or AS6939 aggr-mtd: outbound AS-ANY components: {63.210.63.0/24} admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: All routers will be announce as aggregate to all ASes unless needed and requested by customers where exceptions will be done to Transit only where communities can allow the customers to engineer their traffic. But in no cases, will we announced longer then /24. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20231009 #16:12:04Z source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.63.0.0/18 origin: AS16559 descr: Direct assignment to RealConnect member-of: AS16559:RS-REALCONNECT aggr-bndry: AS3356 or AS6461 or AS6939 aggr-mtd: outbound AS-ANY components: {66.63.0.0/18^-} admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: All routers will be announce as aggregate to all ASes unless needed and requested by customers where exceptions will be done to Transit only where communities can allow the customers to engineer their traffic. But in no cases, will we announced longer then /24. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20231009 #16:11:35Z source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.63.0.0/19 origin: AS16559 descr: Direct assignment to RealConnect member-of: AS16559:RS-REALCONNECT aggr-bndry: AS3356 or AS6461 or AS6939 aggr-mtd: outbound AS-ANY components: {66.63.0.0/19^-} admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: All routers will be announce as aggregate to all ASes unless needed and requested by customers where exceptions will be done to Transit only where communities can allow the customers to engineer their traffic. But in no cases, will we announced longer then /24. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20231009 #16:10:21Z source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.63.0.0/19 descr: RealConnect-block-01 origin: AS16559 mnt-by: REALCONNECT-MNT changed: daniel [at] realconnect.com 20020514 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 66.63.32.0/20 origin: AS16559 descr: Direct assignment to RealConnect member-of: AS16559:RS-REALCONNECT aggr-bndry: AS3356 or AS6939 or AS6461 aggr-mtd: outbound AS-ANY components: {66.63.32.0/20^-} admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: All routers will be announce as aggregate to all ASes unless needed and requested by customers where exceptions will be done to Transit only where communities can allow the customers to engineer their traffic. But in no cases, will we announced longer then /24. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20231009 #16:07:43Z source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.92.192.0/21 descr: RealConnect-block-05 origin: AS16559 mnt-by: REALCONNECT-MNT changed: daniel [at] realconnect.com 20020516 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.92.192.0/21 origin: AS16559 descr: Reassignment from Level(3) to RealConnect member-of: AS16559:RS-REALCONNECT aggr-bndry: AS3356 or AS6461 or AS6939 aggr-mtd: outbound AS-ANY export-comps: {198.92.198.0/23} components: {198.92.192.0/21^-} admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: All routers will be announce as aggregate to all ASes unless needed and requested by customers where exceptions will be done to Transit only where communities can allow the customers to engineer their traffic. But in no cases, will we announced longer then /24. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20231009 #16:13:23Z source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.93.64.0/21 descr: RealConnect-block-04 origin: AS16559 mnt-by: REALCONNECT-MNT changed: daniel [at] realconnect.com 20020514 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.93.64.0/21 origin: AS16559 descr: Reassignment from Level(3) to RealConnect member-of: AS16559:RS-REALCONNECT aggr-bndry: AS3356 or AS6461 or AS6939 aggr-mtd: outbound AS-ANY components: {198.93.64.0/21^-} admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: All routers will be announce as aggregate to all ASes unless needed and requested by customers where exceptions will be done to Transit only where communities can allow the customers to engineer their traffic. But in no cases, will we announced longer then /24. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20231009 #16:13:02Z source: RADB last-modified: 2023-11-13T16:18:56Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:1830::/32 descr: Direct ARIN assignment to RealConnect origin: AS16559 member-of: AS16559:RS-REALCONNECT aggr-mtd: outbound AS-ANY admin-c: DO86-ARIN tech-c: DO86-ARIN remarks: Only announce as /32 as required by the RFC. notify: hostmaster [at] realconnect.com mnt-by: MAINT-AS16559 changed: daniel [at] realconnect.com 20110205 #22:42:55Z source: RADB last-modified: 2023-11-13T15:41:15Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source