These entries are queried from radb.net using whois, you can try my project getting these.
:AS132142 route: 43.227.228.0/24 origin: AS132142 descr: ZONE Telecom Pte Ltd 51 Goldhill Plaza #18-11 mnt-by: MAINT-ZONETEL-SG last-modified: 2018-10-26T16:14:10Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.227.228.0/24 descr: CMI IP Transit origin: AS132142 admin-c: MAINT-CMI-INT-HK tech-c: MAINT-CMI-INT-HK mnt-by: MAINT-CMI-INT-HK changed: qas_support [at] cmi.chinamobile.com 20160525 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.227.229.0/24 origin: AS132142 descr: ZONE Telecom Pte Ltd 51 Goldhill Plaza #18-11 mnt-by: MAINT-ZONETEL-SG last-modified: 2018-10-26T16:14:10Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 43.227.230.0/24 origin: AS132142 descr: ZONE Telecom Pte Ltd 51 Goldhill Plaza #18-11 mnt-by: MAINT-ZONETEL-SG last-modified: 2018-10-26T16:14:10Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.208.0/22 origin: AS132142 descr: ZONE Telecom Pte Ltd 51 Goldhill Plaza #18-11 mnt-by: MAINT-ZONETEL-SG last-modified: 2018-10-26T16:14:19Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.208.0/24 descr: route object for 103.28.208.0/24 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-23T20:13:48Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.209.0/24 descr: route object for 103.28.209.0/24 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-23T20:15:58Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.210.0/24 descr: route object for 103.28.210.0/24 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-12-13T03:47:49Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.28.211.0/24 descr: route object for 103.28.211.0/24 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-12-13T03:48:06Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00::/32 origin: AS132142 descr: ZONE Telecom Pte Ltd 51 Goldhill Plaza #18-11 mnt-by: MAINT-ZONETEL-SG last-modified: 2018-10-26T16:14:10Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-23T20:19:45Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:1::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-23T20:20:37Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:2::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-23T20:21:21Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:3::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-23T20:21:54Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:4::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 country: SG mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-23T20:22:43Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:5::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:33:32Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:6::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:33:37Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:7::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:33:50Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:8::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:33:57Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:9::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:34:06Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:10::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:32:55Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:11::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:33:02Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2402:db00:12::/48 descr: ZONETEL NETWORK IPv6 origin: AS132142 mnt-lower: MAINT-ZONETEL-SG mnt-routes: MAINT-ZONETEL-SG mnt-by: MAINT-ZONETEL-SG last-modified: 2012-02-27T18:34:22Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source