RESULTS FOUND: 1
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Lookup results for 50.56.4.144 from whois.lacnic.net server:
Cloud Loadbalancing as a Service-LBaaS (DFW) RACKS-8-1298930646316770 (NET-50-56-4-0-1) 50.56.4.0 - 50.56.5.255
Rackspace Hosting RACKS-8-NET-4 (NET-50-56-0-0-1) 50.56.0.0 - 50.57.255.255