These entries are queried from radb.net using whois, you can try my project getting these.
:AS19863 route: 190.80.0.0/17 descr: GTT route origin: AS19863 mnt-by: MAINT-AS23520 changed: jalonso [at] columbus-networks.com 20100503 #14:52:40Z source: RADB route: 181.41.64.0/18 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 181.41.64.0/19 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 190.80.64.0/19 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 190.80.96.0/19 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 181.41.96.0/19 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 190.80.0.0/20 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 190.80.16.0/20 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 190.80.32.0/20 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 190.80.48.0/20 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 168.232.144.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150523 source: RADB route: 168.232.145.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150523 source: RADB route: 168.232.146.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150523 source: RADB route: 168.232.147.0/24 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150523 source: RADB route: 190.93.36.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150326 source: RADB route: 138.94.248.0/22 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: jtrespalacios [at] columbus.co 20150429 source: RADB route: 181.199.224.0/19 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: respinosa [at] columbus.co 20180116 source: RADB route: 150.107.127.0/24 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: abaxter [at] internap.com 20141111 source: RADB route: 181.41.64.0/18 descr: LACNIC generated route for Guyana Telephone & Telegraph Co. origin: AS19863 remarks: LACNIC generated route for Guyana Telephone & Telegraph Co. remarks: maxLength 22 mnt-by: MNT-GY-GTTC-LACNIC changed: 20230124 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2023-01-24T01:15:07Z route: 181.199.224.0/19 descr: LACNIC generated route for Guyana Telephone & Telegraph Co. origin: AS19863 remarks: LACNIC generated route for Guyana Telephone & Telegraph Co. remarks: maxLength 24 mnt-by: MNT-GY-GTTC-LACNIC changed: 20230124 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2023-01-24T01:15:07Z route: 190.80.0.0/17 descr: LACNIC generated route for Guyana Telephone & Telegraph Co. origin: AS19863 remarks: LACNIC generated route for Guyana Telephone & Telegraph Co. remarks: maxLength 24 mnt-by: MNT-GY-GTTC-LACNIC changed: 20230124 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2023-01-24T01:15:07Z route: 190.93.39.0/24 descr: LACNIC generated route for NexLink Communications origin: AS19863 remarks: LACNIC generated route for NexLink Communications remarks: maxLength 24 mnt-by: MNT-GY-NECO1-LACNIC changed: 20230124 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2023-01-24T01:15:07Z route: 190.80.14.0/23 descr: Proxy-registered route object origin: AS19863 remarks: auto-generated route object remarks: this next line gives the robot something to recognize remarks: L'enfer, c'est les autres remarks: remarks: This route object is for a Level 3 customer route remarks: which is being exported under this origin AS. remarks: remarks: This route object was created because no existing remarks: route object with the same origin was found, and remarks: since some Level 3 peers filter based on these objects remarks: this route may be rejected if this object is not created. remarks: remarks: Please contact routing [at] Level3.net if you have any remarks: questions regarding this object. mnt-by: LEVEL3-MNT changed: roy [at] Level3.net 20070630 source: LEVEL3 route6: 2803:e340::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus-networks.com mnt-by: MAINT-AS23520 changed: rprudhomme [at] columbus-networks.com 20150523 source: RADB route6: 2801:16:E0::/48 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] columbus.co mnt-by: MAINT-AS23520 changed: jtrespalacios [at] columbus.co 20150429 source: RADB route6: 2800:3c0::/32 descr: COLUMBUS NETWORKS TRANSIT CUSTOMERS origin: AS19863 notify: ipservices [at] cwc.com mnt-by: MAINT-AS23520 changed: giovanna.castro [at] cwc.com 20200304 source: RADB route6: 2803:da00::/32 descr: PNAP-MIA atlantictele-2 origin: AS19863 mnt-by: MAINT-AS1828 changed: mcook [at] internap.com 20140214 source: RADB route6: 2800:3C0::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3C0:6000::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3C0:E000::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3C0:4000::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3C0:2000::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3C0:A000::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3C0:8000::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3C0:C000::/35 descr: PNAP-MIA atlantictele origin: AS19863 mnt-by: MAINT-AS1828 changed: mtierce [at] internap.com 20140214 source: RADB route6: 2800:3c0::/32 descr: LACNIC generated route6 for Guyana Telephone & Telegraph Co. origin: AS19863 remarks: LACNIC generated route6 for Guyana Telephone & Telegraph Co. remarks: maxLength 48 mnt-by: MNT-GY-GTTC-LACNIC changed: 20230124 source: LACNIC remarks: *************************************************** remarks: This object may have been modified remarks: For more information, please query whois.lacnic.net remarks: *************************************************** last-modified: 2023-01-24T01:15:07Z route6: 2001:470:b6::/48 origin: AS19863 descr: NET-2001-470-b6---48-AS19863 admin-c: ZH17-ARIN tech-c: ZH17-ARIN mnt-by: MNT-HURC source: ARIN created: 2022-01-20T20:22:07Z last-modified: 2022-01-20T20:22:07Z