Whois 72.9.144.0/20 :
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American Registry for Internet Numbers NET72 (NET-72-0-0-0-0) 72.0.0.0 - 72.255.255.255
DFW Datacenter DFW-DATACENTER (NET-72-9-144-0-1) 72.9.144.0 - 72.9.159.255
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