147.72.0.0/16

ip:	147.72.0.0 
loc:	United States, Pittsburgh (Pennsylvania)  
isp:	 » Pittsburgh Supercomputing Center » Pittsburgh Supercomputing Center 648.286 ms
route:	147.72.0.0/16, PSC-Z - Pittsburgh Supercomputing Center, US (Pittsburgh (North Oakland)) ... 
reg:	147.72.0.0/16, US, ARIN, 1991-07-05
addr:	  300 S Craig St Pittsburgh PA 15213 US
online:	  85 » latency: 132 ms (139ms) 

see also:
   147.72.242.0/24  AS19281  PSC-PPP-SUBNET Pittsburgh Supercomputing Center, US
   147.72.244.0/23  AS27604  PSC-BLK72-244-23 Seton Hill University, US
   147.72.249.0/24  AS5050   PSC-BLK72-249-24 MOUNT ALOYSIUS COLLEGE, US
   147.72.252.0/22  AS36407  PSC-BLK72-252-22 Software Engineering Institute, US