67.231.144.0/20

ip:	67.231.144.0 
loc:	United States, San Jose (California)  
isp:	AS26211 Proofpoint, Inc. » Proofpoint, Inc. » Proofpoint, Inc. 137.945 ms
route:	67.231.144.0/20, PROOF - Proofpoint, Inc., US (San Jose) ... 
reg:	67.231.144.0/20, US, ARIN, 2009-05-20
addr:	  925 W Maude Ave Sunnyvale CA 94085 US
online:	  2.827 » latency: 143 ms (147ms) 

see also:
   67.231.144.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.145.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.146.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.147.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.148.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.149.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.150.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.151.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.152.0/24  AS22843  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.153.0/24  AS22843  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.154.0/24  AS22843  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.155.0/24  AS22843  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.156.0/24  AS22843  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.157.0/24  AS22843  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.158.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   67.231.159.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US