208.86.200.0/22

ip:	208.86.200.0 208-86-200-0.proofpoint.com
loc:	The Netherlands, Amsterdam (North Holland)  
isp:	AS52129 Proofpoint, Inc. » Proofpoint, Inc. » Proofpoint, Inc. 148.294 ms
route:	208.86.200.0/22, PROOF - Proofpoint, Inc., NL (Amsterdam (Amsterdam-Zuidoost)) ... 
reg:	208.86.200.0/22, US, ARIN, 2008-01-29
addr:	  925 W Maude Ave Sunnyvale CA 94085 US
online:	  287 » latency: 160 ms (154ms) 

see also:
   208.86.200.0/24  AS52129  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   208.86.201.0/24  AS22843  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   208.86.202.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US
   208.86.203.0/24  AS26211  PROOFPOINT-NET-NORTH-AMERICA Proofpoint, Inc., US